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  • Question 1 - A 36 hour old neonate is presented to the GP by the parents...

    Correct

    • A 36 hour old neonate is presented to the GP by the parents due to the absence of bowel movement since birth at home and vomiting of yellow/green liquid after feeding. During the examination, the child's stomach appears significantly distended, but no palpable masses are detected. What is the gold standard diagnostic test for the probable diagnosis?

      Your Answer: Rectal biopsy

      Explanation:

      Understanding Hirschsprung’s Disease

      Hirschsprung’s disease is a rare condition that affects 1 in 5,000 births. It is caused by a developmental failure of the parasympathetic Auerbach and Meissner plexuses, resulting in an aganglionic segment of bowel. This leads to uncoordinated peristalsis and functional obstruction, which can present as constipation and abdominal distension in older children or failure to pass meconium in the neonatal period.

      Hirschsprung’s disease is three times more common in males and is associated with Down’s syndrome. Diagnosis is made through a rectal biopsy, which is considered the gold standard. Treatment involves initial rectal washouts or bowel irrigation, followed by surgery to remove the affected segment of the colon.

      In summary, Hirschsprung’s disease is a rare condition that can cause significant gastrointestinal symptoms. It is important to consider this condition as a differential diagnosis in childhood constipation, especially in male patients or those with Down’s syndrome. Early diagnosis and treatment can improve outcomes and prevent complications.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 2 - At what age and stage of schooling is a child typically offered the...

    Correct

    • At what age and stage of schooling is a child typically offered the HPV vaccine?

      Your Answer: Human papillomavirus (HPV)

      Explanation:

      The HPV vaccination is now given to both girls and boys aged 12-13 years old, when they enter Year 8 at school. This is the correct answer. The Hepatitis B vaccine is given at 2, 3, and 4 months of age, while the MMR vaccine is given at 1 year and 3 years, 4 months of age. The meningitis ACWY vaccine is given to school children aged 13-15 years old and to university students up to 25 years old. The tetanus, diphtheria, and polio vaccine is given at age 14.

      The UK immunisation schedule recommends certain vaccines at different ages. At birth, the BCG vaccine is given if the baby is at risk of tuberculosis. At 2, 3, and 4 months, the ‘6-1 vaccine’ (diphtheria, tetanus, whooping cough, polio, Hib and hepatitis B) and oral rotavirus vaccine are given, along with Men B and PCV at certain intervals. At 12-13 months, the Hib/Men C, MMR, and PCV vaccines are given, along with Men B. At 3-4 years, the ‘4-in-1 preschool booster’ (diphtheria, tetanus, whooping cough and polio) and MMR vaccines are given. At 12-13 years, the HPV vaccination is given, and at 13-18 years, the ‘3-in-1 teenage booster’ (tetanus, diphtheria and polio) and Men ACWY vaccines are given. Additionally, the flu vaccine is recommended annually for children aged 2-8 years.

      It is important to note that the meningitis ACWY vaccine has replaced meningitis C for 13-18 year-olds due to an increased incidence of meningitis W disease in recent years. The ACWY vaccine will also be offered to new students (up to the age of 25 years) at university. GP practices will automatically send letters inviting 17-and 18-year-olds in school year 13 to have the Men ACWY vaccine. Students going to university or college for the first time as freshers, including overseas and mature students up to the age of 25, should contact their GP to have the Men ACWY vaccine, ideally before the start of the academic year.

      It is worth noting that the Men C vaccine used to be given at 3 months but has now been discontinued. This is because the success of the Men C vaccination programme means there are almost no cases of Men C disease in babies or young children in the UK any longer. All children will continue to be offered the Hib/Men C vaccine at one year of age, and the Men ACWY vaccine at 14 years of age to provide protection across all age groups.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 3 - A 23-year-old woman with a history of bipolar disorder gives birth to a...

    Incorrect

    • A 23-year-old woman with a history of bipolar disorder gives birth to a baby girl at home. She received no prenatal care, but when she found out she was pregnant, she started taking prenatal vitamins that she got from the pharmacist. Her only medication is valproic acid. It is 2 days since the birth, and the mother has brought her baby to the Emergency Department because she has become impossible to arouse. On examination, the baby is estimated to have been born at 35 weeks’ gestation. The baby is afebrile, with stable vital signs. A head ultrasound through the fontanelle shows an intracerebral haemorrhage in the germinal matrix. There are no calcifications. Retinal examination does not show petechial haemorrhages. A full skeletal survey is negative.
      What is the most likely pathophysiologic mechanism underlying this baby’s haemorrhage?

      Your Answer: Folate deficiency from valproic acid treatment

      Correct Answer: Vitamin K deficiency

      Explanation:

      Causes of Periventricular Hemorrhage in Neonates

      Periventricular hemorrhage is a common condition in neonates that can lead to neurological damage. There are several possible causes of this condition, including vitamin K deficiency, folate deficiency from valproic acid treatment, congenital cytomegalovirus, congenital toxoplasmosis, and congenital herpes simplex virus.

      Vitamin K deficiency is a natural occurrence in neonates as they do not have established gut bacteria that produce this vitamin. Vitamin K is essential for the production of clotting factors and anticoagulant proteins. Therefore, neonates born in hospitals are usually injected with vitamin K to prevent periventricular hemorrhage.

      Folate deficiency from valproic acid treatment is a common cause of neural tube defects but does not lead to periventricular hemorrhage. Prenatal vitamins usually contain folate, which can prevent this deficiency.

      Congenital cytomegalovirus and congenital toxoplasmosis can cause periventricular hemorrhage, but they are also accompanied by other congenital abnormalities, such as intracerebral calcifications.

      Congenital herpes simplex virus can cause periventricular hemorrhage and neurological damage, but it also causes a diffuse vesicular rash and other symptoms.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 4 - A 35-year-old mother had a natural birth at home. Ten days later, she...

    Incorrect

    • A 35-year-old mother had a natural birth at home. Ten days later, she brought her newborn to the Emergency Department, complaining of a musty odour of the skin and urine. Examination reveals hypopigmentation and eczema. Genetic testing revealed an autosomal recessive genetic disorder.
      Which of the following is most likely linked to the condition of the newborn?

      Your Answer: Defect in the transporter for cysteine

      Correct Answer: Defect in phenylalanine hydroxylase

      Explanation:

      Inherited Metabolic Disorders: Defects and Their Characteristics

      Phenylketonuria (PKU) is caused by a defect in phenylalanine hydroxylase, leading to an excess of phenylalanine and phenylketones in the urine. A musty odour of the skin and hair is a common symptom.

      Maple syrup urine disease (MSUD) is characterized by decreased α-ketoacid dehydrogenase, which can cause brain damage and is often fatal in infants.

      Cystinuria is caused by a defect in the transporter for cysteine, leading to persistent kidney stones.

      Alkaptonuria is caused by a deficiency in homogentisic acid oxidase, which can cause brown or black coloration of urine upon exposure to air.

      Albinism is caused by a defect in tyrosinase, resulting in a partial or complete absence of pigment in the skin, hair, and eyes, leading to a characteristic pale appearance.

      These inherited metabolic disorders have distinct defects and characteristics that can aid in their diagnosis and management.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 5 - A 9-year-old girl presents to the Emergency department with a three day history...

    Correct

    • A 9-year-old girl presents to the Emergency department with a three day history of limping. She has been experiencing illness recently. Upon examination, she has no fever and shows discomfort when moving her hip. What is the probable diagnosis?

      Your Answer: Transient synovitis

      Explanation:

      Transient Synovitis in Childhood: the Causes and Diagnosis

      Transient synovitis is a prevalent cause of hip pain in children, but it is crucial to rule out other more severe causes before diagnosing it. The exact cause of this condition is still unknown, but it is believed to be associated with viral infections, allergic reactions, or trauma.

      Transient synovitis is a self-limiting condition that typically resolves within a few days to weeks. However, it is essential to differentiate it from other conditions that may require urgent medical attention, such as septic arthritis or Legg-Calve-Perthes disease. Therefore, a thorough medical history, physical examination, and imaging studies are necessary to make an accurate diagnosis.

      In conclusion, transient synovitis is a common cause of hip pain in childhood, but it is crucial to exclude other more serious conditions before diagnosing it. Parents should seek medical attention if their child experiences hip pain, limping, or difficulty walking to ensure prompt and appropriate treatment.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 6 - A mother is worried about her child's motor skills and wonders when most...

    Incorrect

    • A mother is worried about her child's motor skills and wonders when most children develop a strong pincer grip. At what age do children typically acquire this skill?

      Your Answer: 2 years

      Correct Answer: 12 months

      Explanation:

      Developmental Milestones for Fine Motor and Vision Skills

      Fine motor and vision skills are important developmental milestones for infants and young children. These skills are crucial for their physical and cognitive development. The following tables provide a summary of the major milestones for fine motor and vision skills.

      At three months, infants can reach for objects and hold a rattle briefly if given to their hand. They are visually alert, particularly to human faces, and can fix and follow objects up to 180 degrees. By six months, they can hold objects in a palmar grasp and pass them from one hand to another. They are visually insatiable, looking around in every direction.

      At nine months, infants can point with their finger and demonstrate an early pincer grip. By 12 months, they have developed a good pincer grip and can bang toys together and stack bricks.

      As children grow older, their fine motor skills continue to develop. By 15 months, they can build a tower of two blocks, and by 18 months, they can build a tower of three blocks. By two years old, they can build a tower of six blocks, and by three years old, they can build a tower of nine blocks. They also begin to draw, starting with circular scribbles at 18 months and progressing to copying vertical lines at two years old, circles at three years old, crosses at four years old, and squares and triangles at five years old.

      In addition to fine motor skills, children’s vision skills also develop over time. At 15 months, they can look at a book and pat the pages. By 18 months, they can turn several pages at a time, and by two years old, they can turn one page at a time.

      It is important to note that hand preference before 12 months is abnormal and may indicate cerebral palsy. Overall, these developmental milestones for fine motor and vision skills are important indicators of a child’s growth and development.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 7 - A 25-year-old female arrives at the emergency department complaining of fevers, myalgia, and...

    Correct

    • A 25-year-old female arrives at the emergency department complaining of fevers, myalgia, and painful eyes that have been bothering her for the past two days. She recently returned from a trip to the Democratic Republic of the Congo, where she failed to comply with her anti-malarial medication due to gastrointestinal side effects. Upon examination, she has a temperature of 38.8ºC, and she displays clustered white lesions on her buccal mucosa and conjunctivitis. What is the probable diagnosis?

      Your Answer: Measles

      Explanation:

      Measles: A Highly Infectious Viral Disease

      Measles is a viral disease caused by an RNA paramyxovirus. It is one of the most infectious known viruses and is spread through aerosol transmission. The disease has an incubation period of 10-14 days and is infective from the prodromal phase until four days after the rash starts. Measles is now rare in developed countries due to immunization programs, but outbreaks can occur when vaccination rates drop, such as during the MMR controversy of the early 2000s.

      The disease is characterized by a prodromal phase, which includes irritability, conjunctivitis, fever, and Koplik spots. The latter typically develop before the rash and are white spots on the buccal mucosa. The rash starts behind the ears and then spreads to the whole body, becoming a discrete maculopapular rash that may become blotchy and confluent. Desquamation may occur after a week, typically sparing the palms and soles. Diarrhea occurs in around 10% of patients.

      Measles is mainly managed through supportive care, and admission may be considered in immunosuppressed or pregnant patients. The disease is notifiable, and public health should be informed. Complications of measles include otitis media, pneumonia (the most common cause of death), encephalitis (typically occurring 1-2 weeks following the onset of the illness), subacute sclerosing panencephalitis (very rare, may present 5-10 years following the illness), febrile convulsions, keratoconjunctivitis, corneal ulceration, diarrhea, increased incidence of appendicitis, and myocarditis.

      If an unimmunized child comes into contact with measles, MMR should be offered within 72 hours. Vaccine-induced measles antibody develops more rapidly than that following natural infection.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 8 - A 10-month-old infant is brought to the ward following a visit to the...

    Incorrect

    • A 10-month-old infant is brought to the ward following a visit to the emergency department due to seizures. The parents present a video of the contractions that seem to resemble colic. They also express worry about their child's development, noting a change. An EEG and MRI head are conducted, revealing hypsarrhythmia and an abnormality, respectively. What is the probable diagnosis?

      Your Answer: Temporal lobe epilepsy

      Correct Answer: West's syndrome

      Explanation:

      West’s syndrome is characterized by infantile spasms, which can be mistaken for colic by families. However, it is crucial to recognize that there is an underlying pathology indicated by abnormal EEG and MRI results, with hypsarrhythmia being a classic feature of West’s syndrome. While seizures in babies may resemble infantile colic or pseudo seizures, the presence of abnormal EEG readings confirms a brain pathology. There is no evidence of infection or fever to suggest febrile convulsions. Partial seizures with sensory auras are often associated with temporal lobe seizures.

      Understanding Infantile Spasms

      Infantile spasms, also known as West syndrome, is a form of epilepsy that typically occurs in infants between 4 to 8 months old, with a higher incidence in male infants. This condition is often associated with a serious underlying condition and has a poor prognosis. The characteristic feature of infantile spasms is the salaam attacks, which involve the flexion of the head, trunk, and arms followed by the extension of the arms. These attacks last only 1-2 seconds but can be repeated up to 50 times.

      Infants with infantile spasms may also experience progressive mental handicap. To diagnose this condition, an EEG is typically performed, which shows hypsarrhythmia in two-thirds of infants. Additionally, a CT scan may be used to identify any diffuse or localized brain disease, which is present in 70% of cases, such as tuberous sclerosis.

      Unfortunately, infantile spasms carry a poor prognosis. However, there are treatment options available. Vigabatrin is now considered the first-line therapy, and ACTH is also used.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 9 - A 6-year-old boy arrives at the Emergency Department with a high fever, difficulty...

    Correct

    • A 6-year-old boy arrives at the Emergency Department with a high fever, difficulty breathing, severe sore throat, and drooling of saliva. What is the best course of action for management?

      Your Answer: Call the ear, nose and throat (ENT) surgeon/senior anaesthetist to secure her airway

      Explanation:

      Managing Acute Epiglottitis: Prioritizing Airway Security

      Acute epiglottitis is a medical emergency that requires immediate attention to secure the patient’s airway. While medical therapies and investigations are important, the priority should be given to securing the airway via endo-/nasotracheal intubation or tracheostomy guided by a senior anaesthetist and ENT surgeon. Oral instrumentation is contraindicated until the airway has been secured. Lateral neck X-ray may be useful in diagnosing less acute presentations, but in this case, the child requires intravenous broad-spectrum antibiotics and admission to an Intensive Therapy Unit/High-dependency Unit bed in the hospital. Intubating a child with acute epiglottitis can be challenging and should only be undertaken by an experienced anaesthetist.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 10 - The neonatal doctor has been requested to assess a woman on the postnatal...

    Incorrect

    • The neonatal doctor has been requested to assess a woman on the postnatal ward who has a 24-hour old baby. The baby was born at 34 weeks without complications. The midwife informs that the mother is exclusively breastfeeding but also trying to hand express, and the most recent capillary blood glucose is 0.8 mmol/L. The baby is showing no symptoms.
      What is the appropriate course of action?

      Your Answer: Give glucose gel in addition to breastfeeding

      Correct Answer: Admit to neonatal unit and start 10% dextrose infusion

      Explanation:

      If a newborn has a capillary blood glucose level of less than 1 mmol/L, regardless of whether they are showing symptoms or not, the paediatric team should be consulted and an intravenous dextrose infusion should be started. Prematurity is a risk factor for hypoglycaemia in this case. Therefore, the other options are incorrect and may only be used in cases of less severe or asymptomatic neonatal hypoglycaemia.

      Neonatal Hypoglycaemia: Causes, Symptoms, and Management

      Neonatal hypoglycaemia is a common condition in newborn babies, especially in the first 24 hours of life. While there is no agreed definition, a blood glucose level of less than 2.6 mmol/L is often used as a guideline. Transient hypoglycaemia is normal and usually resolves on its own, but persistent or severe hypoglycaemia may be caused by various factors such as preterm birth, maternal diabetes mellitus, IUGR, hypothermia, neonatal sepsis, inborn errors of metabolism, nesidioblastosis, or Beckwith-Wiedemann syndrome.

      Symptoms of neonatal hypoglycaemia can be autonomic, such as jitteriness, irritability, tachypnoea, and pallor, or neuroglycopenic, such as poor feeding/sucking, weak cry, drowsiness, hypotonia, and seizures. Other features may include apnoea and hypothermia. Management of neonatal hypoglycaemia depends on the severity of the condition and whether the newborn is symptomatic or not. Asymptomatic babies can be encouraged to feed normally and have their blood glucose monitored, while symptomatic or severely hypoglycaemic babies may need to be admitted to the neonatal unit and receive intravenous infusion of 10% dextrose.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 11 - Sophie is a 15-year-old who has visited her GP seeking advice on contraception....

    Correct

    • Sophie is a 15-year-old who has visited her GP seeking advice on contraception. She discloses that she has been sexually active with a 15-year-old male partner for the past 3 months. Sophie has done her research on various contraceptive methods and expresses her interest in trying the combined oral contraceptive pill (COCP). She has a history of depression due to childhood abuse and is currently receiving treatment from the Child and Adolescent Mental Health Services. However, she reports feeling much better since starting her relationship with her partner. Sophie's parents are unaware of the situation, and she is unwilling to inform them. What is the appropriate course of action?

      Your Answer: Prescribe the COCP, providing there are no contraindications

      Explanation:

      The Fraser guidelines state that if a child meets the criteria, they can be prescribed the combined oral contraceptive pill (COCP) without parental knowledge or consent. It is important to maintain confidentiality and not breach it by discussing with the child’s parents. The child’s age or lack of consent for sexual intercourse should not affect their entitlement to contraception. While a full STI screen and pregnancy test are important aspects of holistic care, they are not necessary to prescribe the COCP. The GMC’s guidance on contraception, abortion, and STIs for those aged 0-18 also allows for providing such advice and treatment to young people under 16 without parental knowledge or consent if certain criteria are met.

      Guidelines for Obtaining Consent in Children

      The General Medical Council has provided guidelines for obtaining consent in children. According to these guidelines, young people who are 16 years or older can be treated as adults and are presumed to have the capacity to make decisions. However, for children under the age of 16, their ability to understand what is involved determines whether they have the capacity to decide. If a competent child refuses treatment, a person with parental responsibility or the court may authorize investigation or treatment that is in the child’s best interests.

      When it comes to providing contraceptives to patients under 16 years of age, the Fraser Guidelines must be followed. These guidelines state that the young person must understand the professional’s advice, cannot be persuaded to inform their parents, is likely to begin or continue having sexual intercourse with or without contraceptive treatment, and will suffer physical or mental health consequences without contraceptive treatment. Additionally, the young person’s best interests require them to receive contraceptive advice or treatment with or without parental consent.

      Some doctors use the term Fraser competency when referring to contraception and Gillick competency when referring to general issues of consent in children. However, rumors that Victoria Gillick removed her permission to use her name or applied copyright have been debunked. It is important to note that in Scotland, those with parental responsibility cannot authorize procedures that a competent child has refused.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 12 - The ward doctor is requested to assess a 24-hour-old neonate, born at 35...

    Incorrect

    • The ward doctor is requested to assess a 24-hour-old neonate, born at 35 weeks gestation to a healthy mother via an uncomplicated vaginal delivery. Upon examination, the neonate appears comfortable. Auscultation of the heart reveals a continuous 'machinery-like' murmur and a left-sided thrill. The apex beat is palpable and appears to be heaving. A widened pulse pressure is observed, but there is no visible cyanosis. An echocardiogram is performed and confirms the diagnosis while ruling out other cardiac issues.
      What is the most appropriate course of action for management at this stage, given the likely diagnosis?

      Your Answer: Prostaglandin E1 given to the neonate

      Correct Answer: Indomethacin given to the neonate

      Explanation:

      The most likely diagnosis based on the findings is patent ductus arteriosus (PDA). To prompt duct closure in the majority of cases, the appropriate action is to administer indomethacin to the neonate in the postnatal period, not to the mother during the antenatal period. If another defect was present, prostaglandin E1 may be preferred to keep the duct open until after surgical repair. Referral for surgery is not necessary at this time. While percutaneous closure may be an option for older children, it is not suitable for neonates.

      Patent ductus arteriosus is a type of congenital heart defect that is typically classified as ‘acyanotic’. However, if left untreated, it can eventually lead to late cyanosis in the lower extremities, which is known as differential cyanosis. This condition is caused by a connection between the pulmonary trunk and descending aorta that fails to close with the first breaths due to increased pulmonary flow that enhances prostaglandins clearance. Patent ductus arteriosus is more common in premature babies, those born at high altitude, or those whose mothers had rubella infection during the first trimester of pregnancy.

      The features of patent ductus arteriosus include a left subclavicular thrill, a continuous ‘machinery’ murmur, a large volume, bounding, collapsing pulse, a wide pulse pressure, and a heaving apex beat. To manage this condition, indomethacin or ibuprofen is given to the neonate, which inhibits prostaglandin synthesis and closes the connection in the majority of cases. If patent ductus arteriosus is associated with another congenital heart defect that is amenable to surgery, then prostaglandin E1 is useful to keep the duct open until after surgical repair.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 13 - You are conducting a routine check-up on a one-month-old infant and notice that...

    Incorrect

    • You are conducting a routine check-up on a one-month-old infant and notice that the baby has ambiguous genitalia. The parents are understandably upset and want to know what could have caused this. What is the most probable reason for the ambiguous genitalia in this situation?

      Your Answer: Androgen insensitivity syndrome

      Correct Answer: Congenital adrenal hyperplasia

      Explanation:

      The most common cause of ambiguous genitalia in newborns is congenital adrenal hyperplasia. Kallman’s syndrome does not result in ambiguous genitalia, as those affected are typically male but have hypogonadotrophic hypogonadism, which is usually diagnosed during puberty. Androgen insensitivity syndrome results in individuals who are phenotypically female and do not have ambiguous genitalia. Male pseudohermaphroditism is a rare cause of ambiguous genitalia, with external genitalia typically being female or ambiguous and testes usually present.

      During fetal development, the gonads are initially undifferentiated. However, the presence of the sex-determining gene (SRY gene) on the Y chromosome causes the gonads to differentiate into testes. In the absence of this gene (i.e. in a female), the gonads differentiate into ovaries. Ambiguous genitalia in newborns is most commonly caused by congenital adrenal hyperplasia, but can also be caused by true hermaphroditism or maternal ingestion of androgens.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 14 - A 3-day-old baby has not passed meconium yet. Your consultant suspects Hirschsprung's disease...

    Incorrect

    • A 3-day-old baby has not passed meconium yet. Your consultant suspects Hirschsprung's disease and asks for your initial management plan. What would be the best initial treatment for this child until a definite diagnosis is made and more specific treatment can be given?

      Your Answer: Lactulose

      Correct Answer: Bowel Irrigation

      Explanation:

      The first step in managing Hirschsprung’s disease is to perform rectal washouts or bowel irrigation. While waiting for a full thickness rectal biopsy to confirm the diagnosis, this treatment can help the baby pass meconium. Once the diagnosis is confirmed, the definitive management is an anorectal pull through procedure. It is important to note that anorectal pull through is not the initial treatment but rather the final solution. Lactulose is not appropriate for constipation in children with Hirschsprung’s disease. Rectal biopsy is only used for diagnostic purposes.

      Understanding Hirschsprung’s Disease

      Hirschsprung’s disease is a rare condition that affects 1 in 5,000 births. It is caused by a developmental failure of the parasympathetic Auerbach and Meissner plexuses, resulting in an aganglionic segment of bowel. This leads to uncoordinated peristalsis and functional obstruction, which can present as constipation and abdominal distension in older children or failure to pass meconium in the neonatal period.

      Hirschsprung’s disease is three times more common in males and is associated with Down’s syndrome. Diagnosis is made through a rectal biopsy, which is considered the gold standard. Treatment involves initial rectal washouts or bowel irrigation, followed by surgery to remove the affected segment of the colon.

      In summary, Hirschsprung’s disease is a rare condition that can cause significant gastrointestinal symptoms. It is important to consider this condition as a differential diagnosis in childhood constipation, especially in male patients or those with Down’s syndrome. Early diagnosis and treatment can improve outcomes and prevent complications.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 15 - A 4-year-old girl, Lily, is taken to the pediatrician by her father. He...

    Correct

    • A 4-year-old girl, Lily, is taken to the pediatrician by her father. He is concerned about an umbilical hernia that Lily has had since birth. He was told that it would likely go away on its own, but it has not yet resolved. The pediatrician conducts an examination and finds a 1.5 cm umbilical hernia that is easily reducible. What is the most suitable course of action for managing this, according to the guidelines?

      Your Answer: Delaying referral for elective outpatient surgical repair until 5 years of age, if still unresolved

      Explanation:

      According to medical guidelines, umbilical hernias in children usually close on their own by the age of 4-5. However, if the hernia persists beyond this age or is large and causing symptoms, surgical repair is recommended. In the case of a small hernia in a 3-year-old child, observation is appropriate until the age of 5. If the hernia becomes incarcerated, it should be manually reduced and surgically repaired within 24 hours. The use of compression therapy after surgery is not recommended. Waiting for the hernia to self-resolve after the age of 5 is not advised as it is unlikely to happen and could lead to incarceration. These recommendations are based on BMJ Best Practice guidelines.

      Umbilical Hernia in Children: Causes and Treatment

      Umbilical hernias are a common occurrence in children and are often detected during the newborn examination. This condition is characterized by a bulge or protrusion near the belly button, caused by a weakness in the abdominal muscles. While umbilical hernias can occur in any child, they are more common in Afro-Caribbean infants and those with Down’s syndrome or mucopolysaccharide storage diseases.

      Fortunately, in most cases, umbilical hernias in children do not require treatment and will resolve on their own by the age of three. However, if the hernia persists beyond this age or becomes painful, surgery may be necessary to repair the abdominal wall. It is important to monitor the hernia and seek medical attention if there are any changes in size or symptoms.

      In summary, umbilical hernias are a common condition in children that typically resolve on their own without treatment. However, certain factors such as ethnicity and underlying medical conditions may increase the likelihood of developing an umbilical hernia. Parents should be aware of the signs and symptoms of umbilical hernias and seek medical attention if necessary.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 16 - As a doctor, you have been requested by a midwife to conduct a...

    Correct

    • As a doctor, you have been requested by a midwife to conduct a newborn examination on a 24-hour old infant. During the examination, the parents express concern about their baby's penis appearing abnormal and request your assistance. Upon inspection, you observe that the urethral meatus is situated on the ventral aspect of the glans and the prepuce is hooded. However, the baby has already passed urine with a strong stream, as noted by the midwife earlier in the day. What should be the doctor's next course of action?

      Your Answer: Refer to a specialist for possible surgery around 12 months of life

      Explanation:

      It is recommended to refer a child with hypospadias to a specialist for possible surgery around the age of 12 months. This timing is considered optimal, taking into account various factors such as developmental milestones, tolerance of surgery and anesthesia, and the size of the penis. It is important to refer the child to a specialist at the time of diagnosis. Referring a child for surgery within the first month of life or within four hours is not necessary, as this is not an urgent or life-threatening issue. Hypospadias always requires a specialist referral, even if it is mild, and it is the specialist’s responsibility, along with the parents, to decide whether surgery is necessary. It is crucial to advise parents not to circumcise their child with hypospadias, as the prepuce may be used during corrective surgery.

      Understanding Hypospadias: A Congenital Abnormality of the Penis

      Hypospadias is a condition that affects approximately 3 out of 1,000 male infants. It is a congenital abnormality of the penis that is usually identified during the newborn baby check. However, if missed, parents may notice an abnormal urine stream. This condition is characterized by a ventral urethral meatus, a hooded prepuce, and chordee in more severe forms. The urethral meatus may open more proximally in the more severe variants, but 75% of the openings are distally located. There appears to be a significant genetic element, with further male children having a risk of around 5-15%.

      Hypospadias most commonly occurs as an isolated disorder, but it can also be associated with other conditions such as cryptorchidism (present in 10%) and inguinal hernia. Once hypospadias has been identified, infants should be referred to specialist services. Corrective surgery is typically performed when the child is around 12 months of age. It is essential that the child is not circumcised prior to the surgery as the foreskin may be used in the corrective procedure. In boys with very distal disease, no treatment may be needed. Understanding hypospadias is important for parents and healthcare providers to ensure proper management and treatment of this condition.

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      • Paediatrics
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  • Question 17 - You are requested to assess a 38-week-gestation boy in the postnatal ward who...

    Incorrect

    • You are requested to assess a 38-week-gestation boy in the postnatal ward who is now 36-hours-old. The baby was delivered via forceps and has noticeable facial bruising. He is being formula-fed and is progressing well in the postnatal period except for an elevated transcutaneous bilirubin measurement. What could be the probable reason for the raised bilirubin level in this newborn?

      Your Answer: Formula feeding

      Correct Answer: Bruising

      Explanation:

      Elevated bilirubin levels can result from bruising during birth, which causes hemolysis. Bruising in the neonatal stage can also lead to increased bilirubin levels due to the breakdown of haemoglobin. Preterm babies and those who are breastfed are more likely to develop jaundice. The baby’s medical history and examination do not indicate any signs of infection. Jaundice is not associated with being male.

      Jaundice in newborns can occur within the first 24 hours of life and is always considered pathological. The causes of jaundice during this period include rhesus and ABO haemolytic diseases, hereditary spherocytosis, and glucose-6-phosphodehydrogenase deficiency. On the other hand, jaundice in neonates from 2-14 days is common and usually physiological, affecting up to 40% of babies. This type of jaundice is due to a combination of factors such as more red blood cells, fragile red blood cells, and less developed liver function. Breastfed babies are more likely to develop this type of jaundice.

      If jaundice persists after 14 days (21 days for premature babies), a prolonged jaundice screen is performed. This includes tests for conjugated and unconjugated bilirubin, direct antiglobulin test, thyroid function tests, full blood count and blood film, urine for MC&S and reducing sugars, and urea and electrolytes. Prolonged jaundice can be caused by biliary atresia, hypothyroidism, galactosaemia, urinary tract infection, breast milk jaundice, prematurity, and congenital infections such as CMV and toxoplasmosis. Breast milk jaundice is more common in breastfed babies and is thought to be due to high concentrations of beta-glucuronidase, which increases the intestinal absorption of unconjugated bilirubin. Prematurity also increases the risk of kernicterus.

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      • Paediatrics
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  • Question 18 - A seven-week-old baby presents to the emergency department with a 3-day history of...

    Correct

    • A seven-week-old baby presents to the emergency department with a 3-day history of feeding difficulties and worsening respiratory distress. The infant has no significant medical history. During examination, a precordial ejection systolic murmur is heard and the lips appear bluish in color. What is the probable underlying diagnosis?

      Your Answer: Tetralogy of fallot

      Explanation:

      TGA is a type of cyanotic congenital heart disease that presents within the first few days of life, while TOF typically presents at 1-2 months of age. In this case, the infant’s symptoms of decompensated heart disease with cyanosis rule out VSD, coarctation, and PDA, leaving TGA and TOF as possible diagnoses. The timing of the presentation suggests TGA as the more likely option, as it is duct dependent and presents early after birth. TOF, on the other hand, typically occurs later as the RV hypertrophy increases and causes a right to left shunt. TOF is characterized by VSD, RV hypertrophy, pulmonary stenosis, and an overriding aorta, with a boot-shaped heart on chest x-ray and RVH on ECG. Treatment involves surgical repair around 6 months of age and management of cyanotic spells with b-blockers.

      Understanding Tetralogy of Fallot

      Tetralogy of Fallot (TOF) is a congenital heart disease that results from the anterior malalignment of the aorticopulmonary septum. It is the most common cause of cyanotic congenital heart disease, and it typically presents at around 1-2 months, although it may not be detected until the baby is 6 months old. The condition is characterized by four features, including ventricular septal defect (VSD), right ventricular hypertrophy, right ventricular outflow tract obstruction, and overriding aorta. The severity of the right ventricular outflow tract obstruction determines the degree of cyanosis and clinical severity.

      Other features of TOF include cyanosis, which may cause episodic hypercyanotic ‘tet’ spells due to near occlusion of the right ventricular outflow tract. These spells are characterized by tachypnea and severe cyanosis that may occasionally result in loss of consciousness. They typically occur when an infant is upset, in pain, or has a fever, and they cause a right-to-left shunt. Additionally, TOF may cause an ejection systolic murmur due to pulmonary stenosis, and a right-sided aortic arch is seen in 25% of patients. Chest x-ray shows a ‘boot-shaped’ heart, while ECG shows right ventricular hypertrophy.

      The management of TOF often involves surgical repair, which is usually undertaken in two parts. Cyanotic episodes may be helped by beta-blockers to reduce infundibular spasm. However, it is important to note that at birth, transposition of the great arteries is the more common lesion as patients with TOF generally present at around 1-2 months. Understanding the features and management of TOF is crucial for healthcare professionals to provide appropriate care and treatment for affected infants.

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      • Paediatrics
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  • Question 19 - You are summoned to the delivery room for the forceps delivery of a...

    Correct

    • You are summoned to the delivery room for the forceps delivery of a baby of 37 week gestation who experienced fetal distress during labour. The attending obstetrician passes the baby to you for resuscitation. What is the initial step?

      Your Answer: Dry the baby

      Explanation:

      Can you rephrase the algorithm for newborn resuscitation recommended by the UK resuscitation council?

      After birth, the first step is to dry the baby, maintain their temperature, and start timing. Next, assess the baby’s tone, breathing, and heart rate. If the baby is gasping or not breathing, open their airway and give five inflation breaths. Then, reassess the heart rate. If there is no increase, check the chest movement to ensure the inflation breaths are adequate. If the chest is not moving, recheck the head position, consider two-person airway control, and repeat the inflation breaths. If the chest is moving but the heart rate is still undetectable or less than 60 beats per minute, start chest compressions at a ratio of 3 compressions to 1 inflation breath (3:1). Reassess the heart rate every 30 seconds, and if it is still undetectable or very slow, consider IV access and drugs.

      The Apgar score is a tool used to evaluate the health of a newborn baby. It is recommended by NICE to be assessed at 1 and 5 minutes after birth, and again at 10 minutes if the initial score is low. The score is based on five factors: pulse, respiratory effort, color, muscle tone, and reflex irritability. A score of 0-3 is considered very low, 4-6 is moderate low, and 7-10 indicates that the baby is in good health. The score helps healthcare professionals quickly identify any potential issues and provide appropriate care.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 20 - A 4-year-old girl is under your review for idiopathic constipation treatment with Movicol...

    Incorrect

    • A 4-year-old girl is under your review for idiopathic constipation treatment with Movicol Paediatric Plain. Despite her mother increasing the dose, there has been no improvement. The child is in good health and abdominal examination is unremarkable. What would be the most suitable course of action to take next?

      Your Answer: Ask the health visitor to insert a glycerin suppository

      Correct Answer: Add senna

      Explanation:

      Understanding and Managing Constipation in Children

      Constipation is a common problem in children, with the frequency of bowel movements decreasing as they age. The National Institute for Health and Care Excellence (NICE) has provided guidelines for the diagnosis and management of constipation in children. A diagnosis of constipation is suggested by two or more symptoms, including infrequent bowel movements, hard stools, and associated distress or pain. Most cases of constipation in children are idiopathic, but other causes such as dehydration, low-fiber diet, and medication use should be considered and excluded.

      If a diagnosis of constipation is made, NICE recommends assessing for faecal impaction before starting treatment. Treatment for faecal impaction involves using polyethylene glycol 3350 + electrolytes (Movicol Paediatric Plain) as the first-line treatment, with the addition of a stimulant laxative if necessary. Maintenance therapy involves a similar regime, with adjustments to the starting dose and the addition of other laxatives if necessary.

      It is important to note that dietary interventions alone are not recommended as first-line treatment, although ensuring adequate fluid and fiber intake is important. Regular toileting and non-punitive behavioral interventions should also be considered. For infants, extra water, gentle abdominal massage, and bicycling the legs can be helpful for constipation. If these measures are not effective, lactulose can be added.

      In summary, constipation in children can be managed effectively with a combination of medication, dietary adjustments, and behavioral interventions. It is important to follow NICE guidelines and consider the individual needs of each child.

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  • Question 21 - A mother brings her child to the pediatrician's office concerned about her child's...

    Correct

    • A mother brings her child to the pediatrician's office concerned about her child's development. Her child is 20 months old and has been slow to meet all developmental milestones. Her health visitor advised that she come to see you. You learn that the child has experienced feeding difficulties throughout her life.

      During the examination of the child, you observe that she is drooling and is making lots of slow, writhing movements of her hands and feet. The mother tells you that this is common and that her daughter struggles to hold onto objects such as toys.

      What is the probable diagnosis?

      Your Answer: Dyskinetic cerebral palsy

      Explanation:

      The child in the stem is displaying symptoms of dyskinetic cerebral palsy, which is a subtype of cerebral palsy characterized by athetoid movements and oro-motor problems. The slow writhing movements of the child’s hands and feet and difficulty in holding objects are indicative of athetoid movements, while drooling is a sign of oro-motor problems. Ataxic cerebral palsy, Duchenne’s muscular dystrophy, and hydrocephalus are incorrect diagnoses as they do not match the symptoms presented in the stem.

      Understanding Cerebral Palsy

      Cerebral palsy is a condition that affects movement and posture due to damage to the motor pathways in the developing brain. It is the most common cause of major motor impairment and affects 2 in 1,000 live births. The causes of cerebral palsy can be antenatal, intrapartum, or postnatal. Antenatal causes include cerebral malformation and congenital infections such as rubella, toxoplasmosis, and CMV. Intrapartum causes include birth asphyxia or trauma, while postnatal causes include intraventricular hemorrhage, meningitis, and head trauma.

      Children with cerebral palsy may exhibit abnormal tone in early infancy, delayed motor milestones, abnormal gait, and feeding difficulties. They may also have associated non-motor problems such as learning difficulties, epilepsy, squints, and hearing impairment. Cerebral palsy can be classified into spastic, dyskinetic, ataxic, or mixed types.

      Managing cerebral palsy requires a multidisciplinary approach. Treatments for spasticity include oral diazepam, oral and intrathecal baclofen, botulinum toxin type A, orthopedic surgery, and selective dorsal rhizotomy. Anticonvulsants and analgesia may also be required. Understanding cerebral palsy and its management is crucial in providing appropriate care and support for individuals with this condition.

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  • Question 22 - A 15-year-old boy comes to the emergency department complaining of groin pain that...

    Correct

    • A 15-year-old boy comes to the emergency department complaining of groin pain that has been present for the past two hours. He reports feeling nauseous and has vomited twice. He admits to having unprotected sexual intercourse recently. Upon examination, there is swelling and tenderness in the left testicle and scrotum. The left side lacks the cremaster reflex, and lifting the affected testicle causes more pain. What is the probable diagnosis?

      Your Answer: Testicular torsion

      Explanation:

      Testicular torsion is a condition where the testis twists on the remnant of the processus vaginalis, leading to restricted blood flow. The main symptom is severe testicular pain, which may be accompanied by nausea and vomiting. The affected testis may also appear swollen and red. The cremaster reflex may be absent on the affected side, and elevating the testicle can worsen the pain.
      While the patient had unprotected sex recently, the symptoms are not typical of epididymitis, which usually involves urinary symptoms and relief of pain with testicular elevation (Prehn’s sign positive).

      Acute Scrotal Disorders in Children: Differential Diagnoses

      When a child presents with an acute scrotal problem, it is crucial to rule out testicular torsion as it requires immediate surgical intervention. The most common age for testicular torsion is around puberty. On the other hand, an irreducible inguinal hernia is more common in children under two years old. Epididymitis, which is inflammation of the epididymis, is rare in prepubescent children. It is important to consider these differential diagnoses when evaluating a child with an acute scrotal disorder. Proper diagnosis and prompt treatment can prevent serious complications and ensure the best possible outcome for the child.

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      • Paediatrics
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  • Question 23 - As an F1 in the emergency department, you receive a 15-year-old girl who...

    Correct

    • As an F1 in the emergency department, you receive a 15-year-old girl who has been brought in from her high school due to complaints of abdominal pain and nausea. Upon examination, you discover that she is septic and can only provide a brief medical history before becoming drowsy. The surgical team suspects that she may have a perforated appendicitis and requires immediate surgery. Unfortunately, the patient's parents cannot be reached with the contact numbers provided by the school, and the patient is not in a state to provide consent for the operation. What would be the most appropriate course of action in this situation?

      Your Answer: Take the patient to surgery immediately

      Explanation:

      According to GMC, it is permissible to administer emergency treatment to a child or young person without their consent in order to save their life or prevent their health from seriously deteriorating. This means that obtaining consent from their parents, seeking permission from others, or obtaining a court order is not required.

      Understanding Consent in Children

      The issue of consent in children can be complex and confusing. However, there are some general guidelines to follow. If a patient is under 16 years old, they may be able to consent to treatment if they are deemed competent. This is determined by the Fraser guidelines, which were previously known as Gillick competence. However, even if a child is competent, they cannot refuse treatment that is deemed to be in their best interest.

      For patients between the ages of 16 and 18, it is generally assumed that they are competent to give consent to treatment. Patients who are 18 years or older can consent to or refuse treatment.

      When it comes to providing contraceptives to patients under 16 years old, the Fraser Guidelines outline specific requirements that must be met. These include ensuring that the young person understands the advice given by the healthcare professional, cannot be persuaded to inform their parents, is likely to engage in sexual activity with or without treatment, and will suffer physical or mental health consequences without treatment. Ultimately, the young person’s best interests must be taken into account when deciding whether to provide contraceptive advice or treatment, with or without parental consent.

      In summary, understanding consent in children requires careful consideration of age, competence, and best interests. The Fraser Guidelines provide a useful framework for healthcare professionals to follow when providing treatment and advice to young patients.

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      • Paediatrics
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  • Question 24 - A 5-year-old boy is presented to the clinic by his mother who has...

    Correct

    • A 5-year-old boy is presented to the clinic by his mother who has observed a tiny lesion at the outer corner of his eye. During the examination, a small cystic structure is noticed which appears to have been recently infected. Upon removing the scab, hair is visible within the lesion. What is the probable diagnosis?

      Your Answer: Dermoid cyst

      Explanation:

      Dermoid cysts typically develop in children and are found at locations where embryonic fusion occurred. These cysts can contain various types of cells. It is improbable that the growth in question is a desmoid cyst, as they rarely occur in this age group or at this location, and do not contain hair. Sebaceous cysts usually have a small opening and contain a cheesy substance, while epidermoid cysts contain keratin plugs.

      Dermoid Cysts vs. Desmoid Tumours

      Dermoid cysts and desmoid tumours are two distinct medical conditions that should not be confused with each other. Dermoid cysts are cutaneous growths that usually appear in areas where embryonic development has occurred. They are commonly found in the midline of the neck, behind the ear, and around the eyes. Dermoid cysts are characterized by multiple inclusions, such as hair follicles, that protrude from their walls. In contrast, desmoid tumours are aggressive fibrous tumours that can be classified as low-grade fibrosarcomas. They often present as large infiltrative masses and can be found in different parts of the body.

      Desmoid tumours can be divided into three types: abdominal, extra-abdominal, and intra-abdominal. All types share the same biological features and can be challenging to treat. Extra-abdominal desmoids are equally common in both sexes and usually develop in the musculature of the shoulder, chest wall, back, and thigh. Abdominal desmoids, on the other hand, tend to arise in the musculoaponeurotic structures of the abdominal wall. Intra-abdominal desmoids are more likely to occur in the mesentery or pelvic side walls and are often seen in patients with familial adenomatous polyposis coli syndrome.

      In summary, while dermoid cysts and desmoid tumours may sound similar, they are entirely different conditions. Dermoid cysts are benign growths that usually occur in specific areas of the body, while desmoid tumours are aggressive fibrous tumours that can be found in different parts of the body and can be challenging to treat.

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      • Paediatrics
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  • Question 25 - A 4-year-old girl visits her GP complaining of a fever and a rash....

    Incorrect

    • A 4-year-old girl visits her GP complaining of a fever and a rash.

      What symptom might indicate the need for the GP to administer IM benzylpenicillin during the appointment?

      Your Answer: Maculopapular rash and white oral lesions

      Correct Answer: Coalescent purpura over the arms

      Explanation:

      Common Paediatric Presentations and their Management

      Fever with rash is a common presentation in paediatric patients, with viral infections being the most common cause. However, it is important to rule out meningococcal septicaemia, which can present with purpuric lesions and requires immediate management with IM or IV benzylpenicillin and hospital transfer. The causative agent is Neisseria meningitidis, and the features can be divided into meningitis and septic. Meningitic features include vomiting, neck stiffness, photophobia, Kernig sign, Brudzinski sign, focal neurology, and opisthotonus. Septic features include systemic illness, pyrexia, anorexia, and reduced tone.

      Bilateral pustular eruptions on the fauces indicate bacterial tonsillitis, which is treated with amoxicillin. Measles can present with a maculopapular rash and white oral lesions known as Koplik spots. Varicella zoster virus infection causing chickenpox can present with pruritic vesicular eruptions over the trunk, which is treated symptomatically in immunocompetent children. A strawberry tongue is a sign of oral mucositis and can be found in scarlet fever or Kawasaki disease.

      In summary, fever with rash in paediatric patients can have a wide differential diagnosis, and it is important to consider serious conditions such as meningococcal septicaemia. Proper management and treatment depend on identifying the underlying cause of the presentation.

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  • Question 26 - A 7-year-old girl sits close to the TV and watches her mother’s mouth...

    Correct

    • A 7-year-old girl sits close to the TV and watches her mother’s mouth when speaking. Her mother gave the history of child’s irritation due to ear pain along with intermittent fever for the last 5 days. Her teacher reports that her speech is developmentally delayed. There is no past medical history or family history of illness. Audiogram shows conductive hearing loss.
      What is the most likely diagnosis?

      Your Answer: Otitis media with effusion

      Explanation:

      Common Causes of Hearing Loss in Children

      Hearing loss in children can be caused by various factors. One of the most common causes is otitis media with effusion (OME), which is prevalent in younger children due to their shorter and more horizontal Eustachian tube, making it easier for bacteria to enter and harder for drainage. However, vestibular schwannomas (acoustic neuromas) and otosclerosis are more likely to be diagnosed in middle-aged patients rather than young children. Foreign object insertion and perforated tympanic membrane are also possible causes of hearing loss, but not as common as OME in children. It is essential to identify the cause of hearing loss in children to provide appropriate treatment and prevent further complications.

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  • Question 27 - A family planning clinic is consulted by a couple who are hoping to...

    Incorrect

    • A family planning clinic is consulted by a couple who are hoping to have another child. They previously lost their first child to Tay Sachs disease. Upon genetic testing, it is discovered that both parents are carriers of the condition. What is the likelihood that their next child will also be a carrier?

      Your Answer: 25%

      Correct Answer: 50%

      Explanation:

      There are two possible scenarios for inheriting the TSD gene. In the first scenario, known as CC, both parents pass on the TSD gene to their child. In the second scenario, known as Cc, only one parent passes on the TSD gene while the other does not. Regardless of which scenario occurs, the patient will be a carrier and heterozygous. The likelihood of either scenario occurring is 25%.

      Understanding Autosomal Recessive Inheritance

      Autosomal recessive inheritance is a genetic pattern where a disorder is only expressed when an individual inherits two copies of a mutated gene, one from each parent. This means that only homozygotes, individuals with two copies of the mutated gene, are affected. Both males and females are equally likely to be affected, and the disorder may not manifest in every generation, as it can skip a generation.

      When two heterozygote parents, carriers of the mutated gene, have children, there is a 25% chance of having an affected (homozygote) child, a 50% chance of having a carrier (heterozygote) child, and a 25% chance of having an unaffected child. On the other hand, if one parent is homozygote for the gene and the other is unaffected, all the children will be carriers.

      Autosomal recessive disorders are often metabolic in nature and can be life-threatening compared to autosomal dominant conditions. Understanding the inheritance pattern of autosomal recessive disorders is crucial in genetic counseling and family planning.

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  • Question 28 - A 5-year-old girl, who has been wetting the bed at night attends surgery...

    Correct

    • A 5-year-old girl, who has been wetting the bed at night attends surgery today with her grandfather, as her mother is at work. Her grandfather is worried because it was also an issue for her older sister, who is 10-years-old and she is prescribed desmopressin. The girl in front of you is otherwise well and her bowels open regularly. An examination is unremarkable and she has a soft non-tender abdomen.
      What recommendations would you make?

      Your Answer: Reassurance and general advice

      Explanation:

      Reassurance and advice can be provided to manage nocturnal enuresis in children under the age of 5 years.

      Nocturnal enuresis, or bedwetting, is when a child involuntarily urinates during the night. Most children achieve continence by the age of 3 or 4, so enuresis is defined as the involuntary discharge of urine in a child aged 5 or older without any underlying medical conditions. Enuresis can be primary, meaning the child has never achieved continence, or secondary, meaning the child has been dry for at least 6 months before.

      When managing bedwetting, it’s important to look for any underlying causes or triggers, such as constipation, diabetes mellitus, or recent onset UTIs. General advice includes monitoring fluid intake and encouraging regular toileting patterns, such as emptying the bladder before sleep. Reward systems, like star charts, can also be helpful, but should be given for agreed behavior rather than dry nights.

      The first-line treatment for bedwetting is an enuresis alarm, which has a high success rate. These alarms have sensor pads that detect wetness and wake the child up to use the toilet. If short-term control is needed, such as for sleepovers, or if the alarm is ineffective or not acceptable to the family, desmopressin may be prescribed. Overall, managing bedwetting involves identifying any underlying causes and implementing strategies to promote continence.

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  • Question 29 - You are evaluating the growth of a 6-week-old infant. Her length is at...

    Incorrect

    • You are evaluating the growth of a 6-week-old infant. Her length is at the 35th percentile, weight at the 42nd percentile, and head circumference at the 4th percentile. What is the probable reason for her microcephaly?

      Your Answer: Achondroplasia

      Correct Answer: Foetal alcohol syndrome

      Explanation:

      Microcephaly is often linked to foetal alcohol syndrome, which also presents with other physical characteristics such as a smooth philtrum, hypoplastic upper lip, and epicanthic folds. Conditions like Thalassaemia, Turner’s syndrome, and cerebral palsy do not typically impact head size, while Achondroplasia is associated with macrocephaly and frontal bossing, not microcephaly. Recognizing the distinct physical features of congenital conditions is crucial for both exams and accurate diagnosis.

      Understanding Fetal Alcohol Syndrome

      Fetal alcohol syndrome is a condition that occurs when a pregnant woman consumes alcohol, which can lead to various physical and mental abnormalities in the developing fetus. At birth, the baby may exhibit symptoms of alcohol withdrawal, such as irritability, hypotonia, and tremors.

      The features of fetal alcohol syndrome include a short palpebral fissure, a thin vermillion border or hypoplastic upper lip, a smooth or absent philtrum, learning difficulties, microcephaly, growth retardation, epicanthic folds, and cardiac malformations. These physical characteristics can vary in severity and may affect the child’s overall health and development.

      It is important for pregnant women to avoid alcohol consumption to prevent fetal alcohol syndrome and other potential complications. Early diagnosis and intervention can also help improve outcomes for children with fetal alcohol syndrome. By understanding the risks and consequences of alcohol use during pregnancy, we can work towards promoting healthier pregnancies and better outcomes for children.

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      • Paediatrics
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  • Question 30 - What are the typical vaccines administered to adolescents aged 12-19 years? ...

    Incorrect

    • What are the typical vaccines administered to adolescents aged 12-19 years?

      Your Answer: Tetanus/diphtheria/polio + Hib

      Correct Answer: Tetanus/diphtheria/polio + Men ACWY

      Explanation:

      The UK immunisation schedule recommends certain vaccines at different ages. At birth, the BCG vaccine is given if the baby is at risk of tuberculosis. At 2, 3, and 4 months, the ‘6-1 vaccine’ (diphtheria, tetanus, whooping cough, polio, Hib and hepatitis B) and oral rotavirus vaccine are given, along with Men B and PCV at certain intervals. At 12-13 months, the Hib/Men C, MMR, and PCV vaccines are given, along with Men B. At 3-4 years, the ‘4-in-1 preschool booster’ (diphtheria, tetanus, whooping cough and polio) and MMR vaccines are given. At 12-13 years, the HPV vaccination is given, and at 13-18 years, the ‘3-in-1 teenage booster’ (tetanus, diphtheria and polio) and Men ACWY vaccines are given. Additionally, the flu vaccine is recommended annually for children aged 2-8 years.

      It is important to note that the meningitis ACWY vaccine has replaced meningitis C for 13-18 year-olds due to an increased incidence of meningitis W disease in recent years. The ACWY vaccine will also be offered to new students (up to the age of 25 years) at university. GP practices will automatically send letters inviting 17-and 18-year-olds in school year 13 to have the Men ACWY vaccine. Students going to university or college for the first time as freshers, including overseas and mature students up to the age of 25, should contact their GP to have the Men ACWY vaccine, ideally before the start of the academic year.

      It is worth noting that the Men C vaccine used to be given at 3 months but has now been discontinued. This is because the success of the Men C vaccination programme means there are almost no cases of Men C disease in babies or young children in the UK any longer. All children will continue to be offered the Hib/Men C vaccine at one year of age, and the Men ACWY vaccine at 14 years of age to provide protection across all age groups.

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  • Question 31 - A 3-month-old baby was brought to the emergency department three days ago with...

    Incorrect

    • A 3-month-old baby was brought to the emergency department three days ago with a purpuric rash, fever, vomiting, and reduced wet nappies. During the assessment, the baby had a seizure which resolved on its own. The baby was admitted and tested for meningitis. A lumbar puncture was done and the laboratory results showed elevated protein levels, increased white cells, and a gram-positive organism. What is the appropriate course of action for managing this infant?

      Your Answer: IV amoxicillin and IV dexamethasone

      Correct Answer: IV amoxicillin and IV cefotaxime

      Explanation:

      In the case of suspected or confirmed bacterial meningitis in children under 3 months old, corticosteroids should not be used. For an infant with lumbar puncture results indicating bacterial meningitis, a combination of IV amoxicillin and IV cefotaxime is the appropriate antibiotic choice to cover both gram positive and gram negative bacteria until a specific pathogen is identified. Prescribing only amoxicillin would not provide sufficient coverage. It is crucial to administer antibiotics in this situation and not withhold treatment.

      Investigation and Management of Meningitis in Children

      Meningitis is a serious condition that can affect children. When investigating meningitis, it is important to note any contraindications to lumbar puncture, such as signs of raised intracranial pressure, focal neurological signs, papilloedema, significant bulging of the fontanelle, disseminated intravascular coagulation, or signs of cerebral herniation. For patients with meningococcal septicaemia, a lumbar puncture is contraindicated, and blood cultures and PCR for meningococcal should be obtained instead.

      The management of meningitis in children involves administering antibiotics, such as IV amoxicillin (or ampicillin) and IV cefotaxime for children under three months, and IV cefotaxime (or ceftriaxone) for children over three months. Steroids should be considered if the lumbar puncture reveals certain findings, such as purulent cerebrospinal fluid, a high white blood cell count, or bacteria on Gram stain. Fluids should be administered to treat shock, and cerebral monitoring should be conducted, including mechanical ventilation if necessary.

      It is also important to notify public health authorities and administer antibiotic prophylaxis to contacts. Ciprofloxacin is now preferred over rifampicin for this purpose. Overall, prompt and appropriate management of meningitis in children is crucial for ensuring the best possible outcomes.

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  • Question 32 - A 14-year-old high school student comes to your office with symptoms of depression....

    Correct

    • A 14-year-old high school student comes to your office with symptoms of depression. During the consultation, she reveals that she has been bullied for having sex with an 18-year-old boy in the same school. The sexual encounter was consensual and occurred only once, without the influence of drugs or alcohol.

      What is the best immediate step to take?

      Your Answer: You should disclose that this girl has been sexually active to the relevant authority

      Explanation:

      When it comes to sexual issues involving young people, the topics of consent and confidentiality can be challenging. However, in this particular case, there is no ambiguity. Legally, individuals under the age of 13 are incapable of giving consent for sexual activity. Therefore, it is typically necessary to disclose this information. If there is a decision to withhold this information, it should be discussed with a designated doctor for child protection and documented appropriately. This is an uncommon occurrence. As the patient is under 13, she is unable to provide consent for sexual activity. While it may be necessary to discuss the situation with the patient’s mother, this is not the most urgent responsibility. The primary duty is to report the incident to the appropriate authority, and it cannot be left in the hands of the patient.

      Guidelines for Obtaining Consent in Children

      The General Medical Council has provided guidelines for obtaining consent in children. According to these guidelines, young people who are 16 years or older can be treated as adults and are presumed to have the capacity to make decisions. However, for children under the age of 16, their ability to understand what is involved determines whether they have the capacity to decide. If a competent child refuses treatment, a person with parental responsibility or the court may authorize investigation or treatment that is in the child’s best interests.

      When it comes to providing contraceptives to patients under 16 years of age, the Fraser Guidelines must be followed. These guidelines state that the young person must understand the professional’s advice, cannot be persuaded to inform their parents, is likely to begin or continue having sexual intercourse with or without contraceptive treatment, and will suffer physical or mental health consequences without contraceptive treatment. Additionally, the young person’s best interests require them to receive contraceptive advice or treatment with or without parental consent.

      Some doctors use the term Fraser competency when referring to contraception and Gillick competency when referring to general issues of consent in children. However, rumors that Victoria Gillick removed her permission to use her name or applied copyright have been debunked. It is important to note that in Scotland, those with parental responsibility cannot authorize procedures that a competent child has refused.

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      • Paediatrics
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  • Question 33 - A baby boy born 3 weeks ago has been experiencing persistent jaundice since...

    Incorrect

    • A baby boy born 3 weeks ago has been experiencing persistent jaundice since 72 hours after birth. His parents have observed that he is hesitant to breastfeed and his urine appears dark. During your examination, you confirm that the infant is jaundiced and has an enlarged liver. Upon reviewing his blood work, you find that he has conjugated hyperbilirubinemia. His serum alpha-1 antitrypsin levels and electrophoresis are normal, and the neonatal heel prick test conducted at birth was negative. What is the recommended treatment for this condition?

      Your Answer: Oral ursodeoxycholic acid

      Correct Answer: Early surgical treatment

      Explanation:

      Biliary atresia is the primary cause of prolonged jaundice in this infant, which occurs due to an obstruction in the flow of bile within the extrahepatic biliary system. To confirm the diagnosis, bilirubin levels, liver function tests, and abdominal ultrasound are performed, while alpha-1 antitrypsin deficiency and cystic fibrosis are excluded as differential diagnoses. The Kasai procedure, a surgical intervention, is the preferred treatment option to restore bile flow and prevent further hepatic damage. Postoperative management may involve IV antibiotics to manage complications such as ascending cholangitis, while ursodeoxycholic acid may be used to augment weight gain and decrease episodes of cholangitis. Optimizing feeds is also important, but not the primary management option in this case, as the heel prick test has excluded CF. Infusion of alpha-1 antitrypsin is not necessary, as the infant’s serum levels are normal.

      Understanding Biliary Atresia in Neonatal Children

      Biliary atresia is a condition that affects the extrahepatic biliary system in neonatal children, resulting in an obstruction in the flow of bile. This condition is more common in females than males and occurs in 1 in every 10,000-15,000 live births. There are three types of biliary atresia, with type 3 being the most common. Patients typically present with jaundice, dark urine, pale stools, and abnormal growth.

      To diagnose biliary atresia, doctors may perform various tests, including serum bilirubin, liver function tests, serum alpha 1-antitrypsin, sweat chloride test, and ultrasound of the biliary tree and liver. Surgical intervention is the only definitive treatment for biliary atresia, and medical intervention includes antibiotic coverage and bile acid enhancers following surgery.

      Complications of biliary atresia include unsuccessful anastomosis formation, progressive liver disease, cirrhosis, and eventual hepatocellular carcinoma. However, the prognosis is good if surgery is successful. In cases where surgery fails, liver transplantation may be required in the first two years of life. Overall, understanding biliary atresia is crucial for early diagnosis and effective management in neonatal children.

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      • Paediatrics
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  • Question 34 - A 68-year-old man of African descent with a family history of cancer presented...

    Incorrect

    • A 68-year-old man of African descent with a family history of cancer presented with an elevated PSA level of 23 ng/ml and was diagnosed with adenocarcinoma with a Gleason score of 7. Magnetic resonance imaging revealed abnormal signals on both sides of the prostate, and a bone scan showed two bone metastatic lesions. The clinical stage was T2 N0 M1b, and he received surgical and hormonal treatment. Genetic testing was performed to determine the most likely mutation he has.

      What mutation is he most likely to have?

      Your Answer: APC mutation

      Correct Answer: BRCA mutation

      Explanation:

      Men who carry BRCA mutations are at a higher risk of developing prostate cancer, particularly those with the BRCA2 gene which is associated with a more aggressive form of the disease. BRCA1 and BRCA2 are tumor suppressor genes that are inherited in an autosomal dominant manner with incomplete penetrance. On the other hand, APC mutation is not a major contributor to the development of clinical prostate cancer, as it is primarily responsible for colorectal tumors, often accompanied by ras and p53 mutations. BRAF mutation is an incorrect answer, as it is rare in both early and late-stage prostate cancer, but is found in approximately 50% of melanomas.

      Understanding Tumour Suppressor Genes

      Tumour suppressor genes are responsible for controlling the cell cycle and preventing the development of cancer. When these genes lose their function, the risk of cancer increases. However, it is important to note that both alleles of the gene must be mutated before cancer can occur.

      There are several examples of tumour suppressor genes, including p53, APC, BRCA1 & BRCA2, NF1, Rb, WT1, and MTS-1 (p16). These genes are associated with various types of cancer, such as colorectal cancer, breast and ovarian cancer, neurofibromatosis, retinoblastoma, Wilm’s tumour, and melanoma.

      It is crucial to understand the role of tumour suppressor genes in preventing cancer and the consequences of their loss of function. In contrast to oncogenes, which result in an increased risk of cancer due to a gain of function, tumour suppressor genes must be both mutated before cancer can occur. By studying these genes and their functions, researchers can develop new strategies for cancer prevention and treatment.

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  • Question 35 - Which feature is not associated with Down's syndrome? ...

    Incorrect

    • Which feature is not associated with Down's syndrome?

      Your Answer: A third fontanelle

      Correct Answer: Ataxic gait

      Explanation:

      Down’s Syndrome and Cognitive Decline

      Cerebellar dysfunction is not a characteristic of Down’s syndrome. However, individuals with this condition may experience a decline in memory and cognitive abilities similar to Alzheimer’s disease as they approach their mid-thirties. This syndrome is characterized by a gradual loss of cognitive function, including memory, attention, and problem-solving skills. It is important to note that this decline is not universal and may vary in severity among individuals with Down’s syndrome. Despite this, it is crucial to monitor cognitive function in individuals with Down’s syndrome to ensure early detection and intervention if necessary.

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      • Paediatrics
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  • Question 36 - A 7-year-old girl is brought to the Emergency Department (ED) by her parents...

    Correct

    • A 7-year-old girl is brought to the Emergency Department (ED) by her parents due to a painful knee. The knee is swollen, red, hot, and tender. The patient experiences extreme pain when the joint is moved, and resists any attempts to flex it passively. Upon examination, you notice a cut on the affected knee, which the parents explain was caused by a fall on the playground. The patient has a mild fever but is otherwise healthy, without other areas of pain or additional joint involvement.
      What is the most probable diagnosis?

      Your Answer: Septic arthritis

      Explanation:

      Differential Diagnosis for a Patient with Knee Pain and Inflammation

      Upon examination of a patient with knee pain and inflammation, several differential diagnoses should be considered. Septic arthritis is a likely possibility, especially if the patient has a recent cut or injury that could have allowed infective organisms to enter the joint. Non-accidental injury (NAI) should also be considered, although in this case, it is unlikely given the patient’s age, single injury, and relevant history. Slipped upper femoral epiphysis (SUFE), Osgood–Schlatter’s disease, and patellofemoral pain syndrome are less likely possibilities, as they typically present with different symptoms than what is observed in this patient. Overall, a thorough examination and consideration of all possible diagnoses is necessary to accurately diagnose and treat knee pain and inflammation.

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      • Paediatrics
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  • Question 37 - A 7-month-old girl has been referred to you by the out of hours...

    Correct

    • A 7-month-old girl has been referred to you by the out of hours GP. Her parents report a 24-hour history of increased work of breathing, coryzal symptoms, lethargy, and reduced oral intake. Upon examination, you observe fine inspiratory crackles and subcostal recessions. She has a fever of 38.1ºC and her oxygen saturations are 92% in air.

      What would be the most suitable next step to take?

      Your Answer: Admit for observation and oxygen therapy

      Explanation:

      If your child is experiencing any of the following symptoms, seek medical attention immediately:

      – High fever (over 102°F or 39°C)
      – Severe dehydration (signs include dry mouth, sunken eyes, and decreased urine output)
      – Persistent severe respiratory distress, such as grunting, significant chest recession, or a respiratory rate exceeding 70 breaths per minute.

      It is important to ensure your child is drinking enough fluids to avoid dehydration.

      Bronchiolitis is a condition where the bronchioles become inflamed, and it is most commonly caused by respiratory syncytial virus (RSV). This virus is responsible for 75-80% of cases, with other causes including mycoplasma and adenoviruses. Bronchiolitis is most prevalent in infants under one year old, with 90% of cases occurring in those aged 1-9 months. The condition is more serious in premature babies, those with congenital heart disease or cystic fibrosis. Symptoms include coryzal symptoms, dry cough, increasing breathlessness, and wheezing. Hospital admission is often necessary due to feeding difficulties associated with increasing dyspnoea.

      Immediate referral is recommended if the child has apnoea, looks seriously unwell, has severe respiratory distress, central cyanosis, or persistent oxygen saturation of less than 92% when breathing air. Clinicians should consider referral if the child has a respiratory rate of over 60 breaths/minute, difficulty with breastfeeding or inadequate oral fluid intake, or clinical dehydration. Immunofluorescence of nasopharyngeal secretions may show RSV, and management is largely supportive. Humidified oxygen is given via a head box if oxygen saturations are persistently low, and nasogastric feeding may be necessary if children cannot take enough fluid/feed by mouth. Suction may also be used for excessive upper airway secretions. NICE released guidelines on bronchiolitis in 2015 for more information.

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  • Question 38 - A 16-year-old girl from Manchester is presented to the emergency room by her...

    Correct

    • A 16-year-old girl from Manchester is presented to the emergency room by her father with complaints of abdominal discomfort for the past 48 hours. Upon examination, there is a suspicion of appendicitis and a recommendation for hospitalization is made. However, the patient refuses to be admitted as she has a concert to attend tonight. Despite being fully informed of the potential consequences of untreated appendicitis, she insists on leaving. What is the best course of action in this scenario?

      Your Answer: His mother may overrule his wishes

      Explanation:

      In England and Wales, a child can provide consent for treatment, but cannot decline it. The demonstration of capacity, as per the Fraser guidelines, is not a significant factor.

      Guidelines for Obtaining Consent in Children

      The General Medical Council has provided guidelines for obtaining consent in children. According to these guidelines, young people who are 16 years or older can be treated as adults and are presumed to have the capacity to make decisions. However, for children under the age of 16, their ability to understand what is involved determines whether they have the capacity to decide. If a competent child refuses treatment, a person with parental responsibility or the court may authorize investigation or treatment that is in the child’s best interests.

      When it comes to providing contraceptives to patients under 16 years of age, the Fraser Guidelines must be followed. These guidelines state that the young person must understand the professional’s advice, cannot be persuaded to inform their parents, is likely to begin or continue having sexual intercourse with or without contraceptive treatment, and will suffer physical or mental health consequences without contraceptive treatment. Additionally, the young person’s best interests require them to receive contraceptive advice or treatment with or without parental consent.

      Some doctors use the term Fraser competency when referring to contraception and Gillick competency when referring to general issues of consent in children. However, rumors that Victoria Gillick removed her permission to use her name or applied copyright have been debunked. It is important to note that in Scotland, those with parental responsibility cannot authorize procedures that a competent child has refused.

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      • Paediatrics
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  • Question 39 - A 5-year-old girl is discovered unresponsive and not breathing. There are no apparent...

    Incorrect

    • A 5-year-old girl is discovered unresponsive and not breathing. There are no apparent obstructions in her airway. A paramedic administers 5 rescue breaths using a bag-valve-mask connected to 100% oxygen. She has a heart rate of 30 beats per minute and is cold to the touch in her extremities. Despite the rescue breaths, she is not making any effort to breathe on her own.

      What is the best course of action in this situation?

      Your Answer: Start cardiopulmonary resuscitation with continuous chest compressions

      Correct Answer: Start cardiopulmonary resuscitation with a rate of 15 chest compressions to 2 breaths

      Explanation:

      The correct ratio of compressions to breaths in paediatric basic life support is 15:2. If a child is unconscious and not breathing, and has a pulse rate below 60 beats per minute with signs of inadequate perfusion, CPR should be started immediately with the ratio of 15 chest compressions to 2 breaths. It is important to also seek additional help and attach defibrillator pads. Continuing to support breathing without starting CPR is not appropriate in this scenario. Placing the child in the recovery position is also not recommended as they are in cardio-respiratory arrest and require chest compressions to improve perfusion. Finally, starting CPR with a ratio of 30 chest compressions to 2 breaths is incorrect for a paediatric patient, as this ratio is used in the adult cardiac arrest algorithm.

      Paediatric Basic Life Support Guidelines

      Paediatric basic life support guidelines were updated in 2015 by the Resuscitation Council. Lay rescuers should use a compression:ventilation ratio of 30:2 for children under 1 year and between 1 year and puberty, a child is defined. If there are two or more rescuers, a ratio of 15:2 should be used.

      The algorithm for paediatric basic life support starts with checking if the child is unresponsive and shouting for help. The airway should be opened, and breathing should be checked by looking, listening, and feeling for breaths. If the child is not breathing, five rescue breaths should be given, and signs of circulation should be checked.

      For infants, the brachial or femoral pulse should be used, while children should use the femoral pulse. Chest compressions should be performed at a ratio of 15:2, with a rate of 100-120 compressions per minute for both infants and children. The depth of compressions should be at least one-third of the anterior-posterior dimension of the chest, which is approximately 4 cm for an infant and 5 cm for a child.

      In children, the lower half of the sternum should be compressed, while in infants, a two-thumb encircling technique should be used for chest compressions. These guidelines are crucial for anyone who may need to perform basic life support on a child, and it is essential to follow them carefully to ensure the best possible outcome.

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  • Question 40 - A 14 kg 2-year-old girl with a history of vomiting and diarrhea for...

    Correct

    • A 14 kg 2-year-old girl with a history of vomiting and diarrhea for 4 days is brought to the pediatric emergency department due to increasing fussiness and fatigue. The child has not eaten anything for the past 24 hours and has only been able to tolerate a small amount of fluids. The mother also noticed that the child has been urinating less frequently.

      Upon examination, the child appears lethargic and unresponsive. The heart rate is 155 beats per minute (normal range: 90-140/min), respiratory rate is 30 breaths per minute (normal range: 20-30/min), and systolic blood pressure is 88 mmHg (normal range: 80-100 mmHg). The child's temperature is within normal limits.

      There are no skin rashes present. The capillary refill time is 3 seconds, and the child's extremities are cold and pale. Skin turgor is decreased, and the mucous membranes are dry. What can you conclude about the hydration status of the girl and how would you manage the patient based on your conclusion?

      Your Answer: There is early (compensated) shock. Urgent fluid resuscitation is needed

      Explanation:

      Managing Diarrhoea and Vomiting in Children

      Diarrhoea and vomiting are common in young children, with rotavirus being the most common cause of gastroenteritis in the UK. According to the 2009 NICE guidelines, diarrhoea usually lasts for 5-7 days and stops within 2 weeks, while vomiting usually lasts for 1-2 days and stops within 3 days. When assessing hydration status, NICE recommends using normal, dehydrated, or shocked categories instead of the traditional mild, moderate, or severe categories.

      Children younger than 1 year, especially those younger than 6 months, infants who were of low birth weight, and those who have passed six or more diarrhoeal stools in the past 24 hours or vomited three times or more in the past 24 hours are at an increased risk of dehydration. Additionally, children who have not been offered or have not been able to tolerate supplementary fluids before presentation, infants who have stopped breastfeeding during the illness, and those with signs of malnutrition are also at risk.

      If clinical shock is suspected, children should be admitted for intravenous rehydration. For children without evidence of dehydration, it is recommended to continue breastfeeding and other milk feeds, encourage fluid intake, and discourage fruit juices and carbonated drinks. If dehydration is suspected, give 50 ml/kg low osmolarity oral rehydration solution (ORS) solution over 4 hours, plus ORS solution for maintenance, often and in small amounts. It is also important to continue breastfeeding and consider supplementing with usual fluids, including milk feeds or water, but not fruit juices or carbonated drinks.

      In terms of diagnosis, NICE suggests doing a stool culture in certain situations, such as when septicaemia is suspected, there is blood and/or mucous in the stool, or the child is immunocompromised. A stool culture should also be considered if the child has recently been abroad, the diarrhoea has not improved by day 7, or there is uncertainty about the diagnosis of gastroenteritis. Features suggestive of hypernatraemic dehydration include jittery movements, increased muscle tone, hyperreflexia, convulsions, and drowsiness or coma.

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  • Question 41 - A concerned father brings his 6-year-old daughter to see the GP, worried about...

    Correct

    • A concerned father brings his 6-year-old daughter to see the GP, worried about her walking and balance. The child learned to walk around 2 years old, much the same as her older brother. However, over the last few months, her dad has noticed that she has become reluctant to walk and often trips or falls when she does.

      On examination, the child is of average build but has disproportionately large calves. When asked to walk across the room she does so on her tiptoes. Gowers test is positive.

      What investigation is considered most appropriate to confirm the likely diagnosis?

      Your Answer: Genetic analysis

      Explanation:

      A diagnosis of Duchenne muscular dystrophy (DMD) can now be made through genetic testing instead of a muscle biopsy. The symptoms and history described strongly suggest DMD, which is a genetic disorder that causes muscle wasting and weakness. Classic features of DMD include calf hyperplasia and a positive Gowers test. Most individuals with DMD will require a wheelchair by puberty, and management is primarily conservative. CT imaging of the legs is not typically used for diagnosis, and while a high creatine kinase can indicate muscular dystrophy in children, genetic testing is more definitive. Muscle function testing is useful for monitoring disease progression but not for initial diagnosis.

      Understanding Duchenne Muscular Dystrophy

      Duchenne muscular dystrophy is a genetic disorder that is inherited in an X-linked recessive manner. It affects the dystrophin genes that are essential for normal muscular function. The disorder is characterized by progressive proximal muscle weakness that typically begins around the age of 5 years. Other features include calf pseudohypertrophy and Gower’s sign, which is when a child uses their arms to stand up from a squatted position. Approximately 30% of patients with Duchenne muscular dystrophy also have intellectual impairment.

      To diagnose Duchenne muscular dystrophy, doctors typically look for elevated levels of creatinine kinase in the blood. However, genetic testing has now replaced muscle biopsy as the preferred method for obtaining a definitive diagnosis. Unfortunately, there is currently no effective treatment for Duchenne muscular dystrophy, so management is largely supportive.

      The prognosis for Duchenne muscular dystrophy is poor. Most children with the disorder are unable to walk by the age of 12 years, and patients typically survive to around the age of 25-30 years. Duchenne muscular dystrophy is also associated with dilated cardiomyopathy, which can further complicate the management of the disorder.

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  • Question 42 - A 6-year-old girl is brought to her general practitioner by her mother because...

    Incorrect

    • A 6-year-old girl is brought to her general practitioner by her mother because she is shorter than most of her classmates. She gets good grades and does well in school. She is below the fifth percentile for height for her age. On examination, she is short and has a webbed neck and widely spaced nipples.
      Which one of the following is karyotyping most likely to reveal?

      Your Answer: 47,XXY

      Correct Answer: 45,XO

      Explanation:

      Understanding Different Karyotypes and Associated Conditions

      Karyotypes are an important tool in diagnosing genetic disorders. Here are some common karyotypes and the associated conditions:

      Turner Syndrome (45,XO): This disorder affects females and is caused by the absence of one or part of an X chromosome. Symptoms include short stature, heart defects, and premature ovarian failure.

      Klinefelter’s Syndrome (47,XXY): This karyotype is associated with males who have an extra X chromosome. Symptoms include delayed puberty, small testes, and learning disabilities.

      Trisomy 21 (47,XX+21): This karyotype is associated with Down syndrome, which causes intellectual disability and physical characteristics such as slanted palpebral fissure and a wide space between the big and second toe.

      47,XYY: This karyotype is associated with males who have an extra Y chromosome. Symptoms include tall stature and an increased risk of learning difficulties and behavioral problems.

      Normal Karyotype: A normal karyotype for a woman is 46,XX. If a different karyotype is present, it may indicate a genetic disorder.

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  • Question 43 - A 3-year-old girl is brought to the Emergency Department by her father following...

    Correct

    • A 3-year-old girl is brought to the Emergency Department by her father following a 2-day history of a non-productive cough. Her father denies any recent viral illness.
      On examination, the patient has no accessory muscle usage and is afebrile. On auscultation, she is noted to have a left-sided wheeze without crepitations. The patient has been developing normally and has never had any respiratory problems before. She has no significant past medical or family history. Her immunisation records are up to date.
      What is the most likely cause of her symptoms?

      Your Answer: Inhaled foreign body

      Explanation:

      Differential Diagnosis for a Child with Respiratory Symptoms

      When a child presents with respiratory symptoms, it is important to consider various differential diagnoses. In the case of a short duration of non-productive cough, an audible wheeze, and unilateral wheeze on auscultation, an inhaled foreign body should be considered as a possible cause. Other potential diagnoses include croup, bronchiolitis, pneumonia, and asthma.

      Croup, caused by a virus such as the parainfluenza virus, is characterized by a barking-seal-like cough and may be accompanied by stridor. Bronchiolitis, on the other hand, typically follows a coryzal period of cough and/or cold and causes respiratory distress as evidenced by accessory muscle usage, nasal flare, and tachypnea. It is also characterized by widespread inspiratory crepitations.

      Pneumonia should also be included in the differential diagnosis, but the lack of respiratory distress and fever, as well as the absence of a productive cough, make it less likely. Asthma, which is rarely diagnosed in children of this age, would present with sudden onset respiratory distress and widespread wheezing.

      In summary, a thorough evaluation of the patient’s symptoms and clinical findings is necessary to arrive at an accurate diagnosis and appropriate treatment plan.

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  • Question 44 - As a junior doctor on the neonatal ward, you are asked to assess...

    Correct

    • As a junior doctor on the neonatal ward, you are asked to assess a premature baby born at 34 weeks gestation who is experiencing respiratory distress. The delivery was uneventful. The baby's vital signs are as follows:

      - Heart rate: 180 bpm (normal range: 100-180 bpm)
      - Oxygen saturation: 95% (normal range: ≥ 96%)
      - Respiratory rate: 68/min (normal range: 25-65/min)
      - Temperature: 36.9°C (normal range: 36.0°C-38.0°C)

      The baby is currently receiving 2 liters of oxygen to maintain their oxygen saturation. Upon examination, you notice that the baby is not cyanotic, but there are subcostal recessions and respiratory grunts. There are no added breath sounds on auscultation, but bowel sounds can be heard in the right lung field.

      What is the most likely cause of the baby's symptoms?

      Your Answer: Congenital diaphragmatic hernia

      Explanation:

      Understanding Congenital Diaphragmatic Hernia

      Congenital diaphragmatic hernia (CDH) is a rare condition that affects approximately 1 in 2,000 newborns. It occurs when the diaphragm, a muscle that separates the chest and abdominal cavities, fails to form completely during fetal development. As a result, abdominal organs can move into the chest cavity, which can lead to underdeveloped lungs and high blood pressure in the lungs. This can cause respiratory distress shortly after birth.

      The most common type of CDH is a left-sided posterolateral Bochdalek hernia, which accounts for about 85% of cases. This type of hernia occurs when the pleuroperitoneal canal, a structure that connects the chest and abdominal cavities during fetal development, fails to close properly.

      Despite advances in medical treatment, only about 50% of newborns with CDH survive. Early diagnosis and prompt treatment are crucial for improving outcomes. Treatment may involve surgery to repair the diaphragm and move the abdominal organs back into their proper position. In some cases, a ventilator or extracorporeal membrane oxygenation (ECMO) may be necessary to support breathing until the lungs can function properly. Ongoing care and monitoring are also important to manage any long-term complications that may arise.

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  • Question 45 - A 3-year-old girl is brought to the paediatric emergency department by her father....

    Correct

    • A 3-year-old girl is brought to the paediatric emergency department by her father. She has been very fussy for the past 6 hours, crying out every 20 minutes, and her father suspects she is in pain. She has vomited twice during this time, and her father noticed a red jelly-like substance in her diaper 2 hours ago. The little girl is very uncooperative during examination and refuses to let anyone touch her abdomen. Her vital signs show a mild tachycardia, but no fever is present. What is the most appropriate diagnostic test to determine the cause of her symptoms?

      Your Answer: Abdominal ultrasound

      Explanation:

      Intussusception is best diagnosed through ultrasound. Given the boy’s symptoms, an urgent abdominal ultrasound is necessary to rule out this condition. While a complete blood count may provide some general information, it is not specific to any particular diagnosis. An abdominal X-ray can confirm the presence of intestinal obstruction, but it cannot identify the underlying cause, which is crucial in this case. CT scans should generally be avoided in young children due to the high levels of radiation they emit.

      Understanding Intussusception

      Intussusception is a medical condition that occurs when one part of the bowel folds into the lumen of the adjacent bowel, usually around the ileo-caecal region. This condition is most common in infants between 6-18 months old, with boys being affected twice as often as girls. The symptoms of intussusception include severe, crampy abdominal pain that comes and goes, inconsolable crying, vomiting, and blood stained stool, which is a late sign. During a paroxysm, the infant will typically draw their knees up and turn pale, and a sausage-shaped mass may be felt in the right upper quadrant.

      To diagnose intussusception, ultrasound is now the preferred method of investigation, as it can show a target-like mass. Treatment for intussusception involves reducing the bowel by air insufflation under radiological control, which is now widely used as a first-line treatment instead of the traditional barium enema. If this method fails, or the child shows signs of peritonitis, surgery is performed.

      In summary, intussusception is a medical condition that affects infants and involves the folding of one part of the bowel into the lumen of the adjacent bowel. It is characterized by severe abdominal pain, vomiting, and blood stained stool, among other symptoms. Ultrasound is the preferred method of diagnosis, and treatment involves reducing the bowel by air insufflation or surgery if necessary.

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  • Question 46 - A 4-year-old girl is seen by the General Practitioner (GP). She has been...

    Correct

    • A 4-year-old girl is seen by the General Practitioner (GP). She has been unwell with coryzal symptoms for two days and has fever. She has been eating a little less than usual but drinking plenty of fluids and having her normal amount of wet nappies. Her mother reports that she had an episode of being unresponsive and her limbs were jerking while in the waiting room that lasted about 30 seconds. On examination, following the episode, she is alert, without signs of focal neurology. Her temperature is 38.9 °C, heart rate 120 bpm and capillary refill time < 2 seconds. She has moist mucous membranes. There is no sign of increased work of breathing. Her chest is clear. She has cervical lymphadenopathy; her throat is red, but no exudate is present on her tonsils. She has clear, thick nasal discharge, and both her tympanic membranes are inflamed, but not bulging. Which of the following is most likely to indicate that the child can be managed safely at home?

      Your Answer: Seizure/convulsion lasted for < 5 minutes

      Explanation:

      When to Seek Urgent Medical Attention for Febrile Convulsions in Children

      Febrile convulsions are seizures that occur in response to a high body temperature in children aged between six months and three years. While most febrile convulsions are harmless and do not require urgent medical attention, there are certain red flag features that parents should be aware of. If any of the following features are present, urgent hospital admission is necessary:

      – Children aged less than 18 months
      – Diagnostic uncertainty
      – Convulsion lasting longer than 5 minutes
      – Focal features during the seizure
      – Recurrence of convulsion during the same illness or in the last 24 hours
      – Incomplete recovery one hour after the convulsion
      – No focus of infection identified
      – Examination findings suggesting a serious cause for fever such as pneumonia
      – Child currently taking antibiotics, with a clear bacterial focus of infection

      It is important to note that a first febrile convulsion in a child is also an indication for urgent hospital admission. If a child less than six months or over three years experiences a seizure not associated with fever, it may be due to an underlying neurological condition and require further specialist investigation. Parents should be aware of these red flag features and seek medical attention promptly if they are present.

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  • Question 47 - When do most children begin to say mama and dada? Is there a...

    Incorrect

    • When do most children begin to say mama and dada? Is there a typical age range for this milestone?

      Your Answer: 13-14 months

      Correct Answer: 9-10 months

      Explanation:

      Developmental milestones for speech and hearing are important indicators of a child’s growth and development. These milestones can help parents and caregivers track a child’s progress and identify any potential issues early on. At three months, a baby should be able to quieten to their parents’ voice and turn towards sound. They may also start to squeal. By six months, they should be able to produce double syllables like adah and erleh. At nine months, they may say mama and dada and understand the word no. By 12 months, they should know and respond to their own name and understand simple commands like give it to mummy.

      Between 12 and 15 months, a child may know about 2-6 words and understand more complex commands. By two years old, they should be able to combine two words and point to parts of their body. Their vocabulary should be around 200 words by 2 1/2 years old. At three years old, they should be able to talk in short sentences and ask what and who questions. They may also be able to identify colors and count to 10. By four years old, they may start asking why, when, and how questions. These milestones are important to keep in mind as a child grows and develops their speech and hearing abilities.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 48 - A 4-year-old boy is admitted to hospital. He was diagnosed with Down syndrome...

    Incorrect

    • A 4-year-old boy is admitted to hospital. He was diagnosed with Down syndrome soon after birth. He has not opened his bowels for the past few days and complains of abdominal pain. His abdomen is distended, and he has had several episodes of vomiting. The mother denies any complication during pregnancy. An abdominal X-ray does not show any double bubble sign but rather shows a picture of bowel obstruction.
      Which of the following investigations would provide a definitive diagnosis?

      Your Answer: Erect chest X-ray

      Correct Answer: Rectal biopsy

      Explanation:

      Diagnostic Procedures for Hirschsprung’s Disease

      Hirschsprung’s disease is a congenital condition that causes functional obstruction of the colon due to the absence of parasympathetic ganglion cells in the rectum. Diagnosis is made through a rectal biopsy, which confirms the absence of ganglion cells. Other diagnostic procedures, such as abdominal ultrasound, upper GI endoscopy, erect chest X-ray, and colonoscopy, are not useful in diagnosing Hirschsprung’s disease. An abdominal X-ray may be performed to rule out other causes of abdominal distension. However, in most cases, rectal biopsy is the definitive diagnostic procedure for Hirschsprung’s disease.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 49 - Which one of the following conditions is not associated with obesity in adolescents?...

    Correct

    • Which one of the following conditions is not associated with obesity in adolescents?

      Your Answer: Growth hormone excess

      Explanation:

      Understanding Obesity in Children

      Childhood obesity is a complex issue that requires careful assessment and management. Unlike adults, defining obesity in children is more challenging as body mass index (BMI) varies with age. To accurately assess BMI, percentile charts are needed. According to recent guidelines by the National Institute for Health and Care Excellence (NICE), the UK 1990 BMI charts should be used to provide age- and gender-specific information.

      NICE recommends tailored clinical intervention if BMI is at the 91st centile or above. If BMI is at the 98th centile or above, assessing for comorbidities is necessary. Lifestyle factors are the most common cause of obesity in childhood. However, other factors such as growth hormone deficiency, hypothyroidism, Down’s syndrome, Cushing’s syndrome, and Prader-Willi syndrome can also contribute to obesity in children.

      Obesity in children can lead to various consequences, including orthopaedic problems such as slipped upper femoral epiphysis and Blount’s disease, musculoskeletal pains, psychological consequences like poor self-esteem and bullying, sleep apnoea, and benign intracranial hypertension. Moreover, obesity in childhood can increase the risk of developing type 2 diabetes mellitus, hypertension, and ischaemic heart disease in the long run. Therefore, it is crucial to identify and manage obesity in children to prevent these adverse outcomes.

    • This question is part of the following fields:

      • Paediatrics
      12
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  • Question 50 - A 7-year-old boy is brought in by his father for symptoms of upper...

    Correct

    • A 7-year-old boy is brought in by his father for symptoms of upper respiratory tract infection. During examination, you observe multiple bruises on his arms with a circular pattern. Which type of bruising is more frequently associated with physical abuse in children?

      Your Answer: Humeral fracture

      Explanation:

      Whenever there is suspicion of non-accidental injury (NAI), it is important to consider the patient’s clinical history. Child abuse is commonly associated with fractures in the radial, humeral, and femoral bones. On the other hand, fractures in the distal radial, elbow, clavicular, and tibial bones are not typically linked to NAI in paediatrics.

      Recognizing Child Abuse: Signs and Symptoms

      Child abuse is a serious issue that can have long-lasting effects on a child’s physical and emotional well-being. It is important to be able to recognize the signs and symptoms of child abuse in order to intervene and protect the child. One possible indicator of abuse is when a child discloses abuse themselves. However, there are other factors that may point towards abuse, such as an inconsistent story with injuries, repeated visits to A&E departments, delayed presentation, and a frightened, withdrawn appearance known as frozen watchfulness.

      Physical presentations of child abuse can also be a sign of abuse. These may include bruising, fractures (especially metaphyseal, posterior rib fractures, or multiple fractures at different stages of healing), torn frenulum (such as from forcing a bottle into a child’s mouth), burns or scalds, failure to thrive, and sexually transmitted infections like Chlamydia, gonorrhoeae, and Trichomonas. It is important to be aware of these signs and symptoms and to report any concerns to the appropriate authorities to ensure the safety and well-being of the child.

    • This question is part of the following fields:

      • Paediatrics
      29.1
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