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  • Question 1 - A 6-year-old girl arrives at the emergency department with complaints of pain in...

    Incorrect

    • A 6-year-old girl arrives at the emergency department with complaints of pain in the right iliac fossa. Upon examination, there is no rebound tenderness or guarding. Routine bloods and urine dipstick tests show normal results. The child's mother mentions that her daughter had a viral infection a few days ago. What is the most probable diagnosis?

      Your Answer: Appendicitis

      Correct Answer: Mesenteric adenitis

      Explanation:

      Abdominal tenderness and guarding are indicative of appendicitis, while a negative urine dipstick is not typical of pyelonephritis.

      Mesenteric adenitis refers to the inflammation of lymph nodes located in the mesentery. This condition can cause symptoms that are similar to those of appendicitis, making it challenging to differentiate between the two. Mesenteric adenitis is commonly observed after a recent viral infection and typically does not require any treatment.

    • This question is part of the following fields:

      • Paediatrics
      4.6
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  • Question 2 - A 35-year-old man has been experiencing muscle weakness and cramps, and after extensive...

    Incorrect

    • A 35-year-old man has been experiencing muscle weakness and cramps, and after extensive investigation, it has been determined that he has a rare form of myopathy. His family history reveals that his mother, maternal grandmother, brother, maternal aunt, and her two sons are all affected by the same condition. Interestingly, his maternal uncle has the disease, but none of his children do. There is no evidence of the disease on the paternal side, and his wife has no family history of the disorder. What is the likelihood that his biological children will inherit the myopathy from him?

      Your Answer: 50%

      Correct Answer: 0%

      Explanation:

      Mitochondrial Diseases: Inheritance and Histology

      Mitochondrial diseases are caused by mutations in the small amount of double-stranded DNA present in the mitochondria. This DNA encodes protein components of the respiratory chain and some special types of RNA. Mitochondrial inheritance has unique characteristics, including inheritance only via the maternal line and none of the children of an affected male inheriting the disease. However, all of the children of an affected female will inherit the disease. These diseases generally encode rare neurological diseases and have a poor genotype-phenotype correlation due to heteroplasmy, where different mitochondrial populations exist within a tissue or cell.

      Histologically, muscle biopsy shows red, ragged fibers due to an increased number of mitochondria. Some examples of mitochondrial diseases include Leber’s optic atrophy, MELAS syndrome (mitochondrial encephalomyopathy lactic acidosis and stroke-like episodes), MERRF syndrome (myoclonus epilepsy with ragged-red fibers), Kearns-Sayre syndrome (onset in patients < 20 years old, external ophthalmoplegia, retinitis pigmentosa, and ptosis may be seen), and sensorineural hearing loss.

    • This question is part of the following fields:

      • Paediatrics
      15.8
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  • Question 3 - A 14-year-old boy comes to the clinic with complaints of central abdominal pain...

    Incorrect

    • A 14-year-old boy comes to the clinic with complaints of central abdominal pain and haematuria that have been present for a week. He also reports experiencing pain in both knees. Upon examination, a non-blanching purpuric rash is observed on his legs and buttocks. Urine dipstick results show blood ++ and protein +. Additionally, his renal function is abnormal with urea levels at 26.3 mmol/l and creatinine levels at 289 μmol/l. What is the most probable diagnosis?

      Your Answer: Urinary tract infection

      Correct Answer: Henoch–Schönlein purpura

      Explanation:

      Distinguishing Henoch-Schönlein Purpura from Other Conditions: A Brief Overview

      Henoch-Schönlein purpura (HSP) is a condition that can present with a range of symptoms, including abdominal pain, non-blanching purpuric rash, arthralgia, haematuria, and renal impairment. It is important to distinguish HSP from other conditions that may have similar symptoms.

      Nephrotic syndrome, for example, is characterized by significant proteinuria, hypoalbuminaemia, and oedema, which are not present in HSP. Urinary tract infection, on the other hand, is not associated with a purpuric rash and typically presents with urinary symptoms and positive nitrite and leukocyte dipstick tests.

      Goodpasture’s syndrome is a systemic vasculitis that can cause acute renal failure and pulmonary haemorrhage, but it is not typically associated with a purpuric rash. Appendicitis, which can cause an acute abdomen, is unlikely to cause pain for a week and does not typically present with a rash.

      In summary, recognizing the unique symptoms of HSP and distinguishing it from other conditions is crucial for accurate diagnosis and appropriate treatment.

    • This question is part of the following fields:

      • Paediatrics
      8.2
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  • Question 4 - Liam, a 3-year-old boy and his father visit a paediatric neurology clinic. Liam's...

    Incorrect

    • Liam, a 3-year-old boy and his father visit a paediatric neurology clinic. Liam's father is worried about epilepsy, but the consultant explains that Liam has been experiencing reflex anoxic seizures. What characteristics could distinguish between epilepsy and Liam's condition?

      Your Answer: Cyanosis around lips

      Correct Answer: Quick recovery following seizure

      Explanation:

      Both epilepsy and reflex anoxic seizures can cause collapse, jerking, stiffness, and cyanosis. However, reflex anoxic seizures have a faster recovery time compared to epileptic seizures, which usually have a longer recovery period.

      Reflex Anoxic Seizures: A Brief Overview

      Reflex anoxic seizures are a type of syncope or fainting episode that occurs in response to pain or emotional stimuli. This condition is believed to be caused by a temporary pause in the heart’s electrical activity due to overstimulation of the vagus nerve in children with sensitive reflexes. Reflex anoxic seizures are most commonly seen in young children between the ages of 6 months and 3 years.

      During a reflex anoxic seizure, the child may suddenly become very pale and fall to the ground. Secondary anoxic seizures may also occur, which are brief episodes of muscle twitching or jerking. However, the child typically recovers quickly and without any long-term effects.

      There is no specific treatment for reflex anoxic seizures, but it is important to identify and avoid triggers that may cause these episodes. The prognosis for children with reflex anoxic seizures is excellent, and most children outgrow this condition as they get older. By understanding the symptoms and triggers of reflex anoxic seizures, parents and caregivers can help manage this condition and ensure the safety and well-being of their child.

    • This question is part of the following fields:

      • Paediatrics
      12.1
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  • Question 5 - A 7-month-old infant is brought to the emergency department with symptoms of vomiting,...

    Correct

    • A 7-month-old infant is brought to the emergency department with symptoms of vomiting, blood in stools, and irritability. During the physical examination, the baby's abdomen is found to be tense, and he draws his knees up in response to palpation.

      What would be the most suitable course of action for this baby?

      Your Answer: Refer to paediatric surgeons

      Explanation:

      Intussusception in Children: Diagnosis and Treatment

      Intussusception is a medical condition that occurs when one part of the intestine slides into another part, causing a blockage. Children with this condition may experience severe abdominal pain, vomiting, and bloody stools. If left untreated, intussusception can lead to bowel perforation, sepsis, and even death. Therefore, it is crucial to diagnose and treat this condition promptly.

      When a child presents with symptoms of intussusception, the most appropriate course of action is to refer them immediately to a paediatric surgical unit. There, doctors will attempt to relieve the intussusception through air reduction, which involves pumping air into the intestine to push the telescoped section back into place. If this method fails, surgery may be necessary to correct the blockage.

      Several risk factors can increase a child’s likelihood of developing intussusception, including viral infections and intestinal lymphadenopathy. Therefore, parents should seek medical attention if their child experiences any symptoms of this condition. With prompt diagnosis and treatment, most children with intussusception can make a full recovery.

    • This question is part of the following fields:

      • Paediatrics
      5
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  • Question 6 - A 9-month-old girl is brought to the Emergency Department with a fever, cough,...

    Incorrect

    • A 9-month-old girl is brought to the Emergency Department with a fever, cough, and difficulty breathing. Her vital signs are as follows: temperature 38.5˚C, heart rate 170 bpm, respiratory rate 60/min, oxygen saturation 92% on room air, blood pressure 100/65 mmHg, capillary refill time is 3 seconds. Her parents report that she has been eating poorly for the past few days and has had a high temperature for the past 24 hours. A senior clinician has admitted her and started IV antibiotics, IV fluids, and supplemental oxygen. The patient is currently awake and alert.

      According to the NICE pediatric traffic light system, which of the following in her presentation is a red flag?

      Your Answer: Tachycardia

      Correct Answer: Tachypnoea

      Explanation:

      The child’s capillary refill time is normal, as it falls within the acceptable range of less than 3 seconds. However, his tachycardia is a cause for concern, as a heart rate over 160 bpm is considered an amber flag for his age. Although reduced skin turgor is not mentioned, it would be considered a red flag indicating severe dehydration and poor circulation according to the NICE traffic light system. As the child is older than 3 months, a temperature above 38˚C would not be considered a red flag.

      The NICE Feverish illness in children guidelines were introduced in 2007 and updated in 2013. These guidelines use a ‘traffic light’ system to assess the risk of children under 5 years old presenting with a fever. It is important to note that these guidelines only apply until a clinical diagnosis of the underlying condition has been made. When assessing a febrile child, their temperature, heart rate, respiratory rate, and capillary refill time should be recorded. Signs of dehydration should also be looked for. Measuring temperature should be done with an electronic thermometer in the axilla if the child is under 4 weeks old or with an electronic/chemical dot thermometer in the axilla or an infrared tympanic thermometer.

      The risk stratification table includes green for low risk, amber for intermediate risk, and red for high risk. The table includes categories such as color, activity, respiratory, circulation and hydration, and other symptoms. If a child is categorized as green, they can be managed at home with appropriate care advice. If they are categorized as amber, parents should be provided with a safety net or referred to a pediatric specialist for further assessment. If a child is categorized as red, they should be urgently referred to a pediatric specialist. It is important to note that oral antibiotics should not be prescribed to children with fever without an apparent source, and a chest x-ray does not need to be routinely performed if a pneumonia is suspected but the child is not going to be referred to the hospital.

    • This question is part of the following fields:

      • Paediatrics
      41.7
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  • Question 7 - Which statement regarding ventricular septal defect (VSD) is correct? ...

    Incorrect

    • Which statement regarding ventricular septal defect (VSD) is correct?

      Your Answer: The systolic murmur increases in intensity as pulmonary hypertension develops

      Correct Answer: There may be a diastolic murmur at the apex

      Explanation:

      Ventricular Septal Defects

      Ventricular septal defects (VSDs) are a type of congenital heart defect that can cause a diastolic murmur. This murmur can occur due to aortic incompetence or increased flow across the mitral valve, which can lead to relative mitral stenosis. In some cases, right to left shunting can occur, which can cause cerebral abscesses.

      While large VSDs may be associated with soft murmurs, pulmonary hypertension can occur in association with increased flow across the shunt. However, it may also indicate decreased flow across the shunt and increased pulmonary vascular resistance, which can result in a softer murmur.

      It’s important to note that the risk of bacterial endocarditis is high in individuals with VSDs, even those with haemodynamically trivial lesions. Therefore, it’s crucial to monitor and manage this condition carefully.

    • This question is part of the following fields:

      • Paediatrics
      5.9
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  • Question 8 - A 4-year-old child was admitted with a high fever, cervical lymph node enlargement,...

    Correct

    • A 4-year-old child was admitted with a high fever, cervical lymph node enlargement, conjunctival congestion, redness of lips and palms, and desquamation of fingertips. Upon examination, erythema of the oral cavity was observed. Blood tests showed a hemoglobin level of 110 g/l and a platelet count of 450,000. The symptoms resolved after two weeks, but during the third week, the child unexpectedly passed away. An autopsy revealed vasculitis of the coronary arteries and aneurysm formation. What is the most likely diagnosis?

      Your Answer: Kawasaki’s disease

      Explanation:

      Understanding Kawasaki’s Disease and Differential Diagnosis

      Kawasaki disease, also known as mucocutaneous lymph node syndrome, is a multisystem disease that primarily affects children under the age of 5. It is characterized by fever, cervical adenitis, and changes in the skin and mucous membranes. While generally benign and self-limited, it can lead to coronary artery aneurysms in 25% of cases and has a case-fatality rate of 0.5-2.8%. Treatment with high-dose intravenous globulin and aspirin has been shown to be effective in reducing the prevalence of coronary artery abnormalities.

      When considering a differential diagnosis, it is important to distinguish Kawasaki disease from other conditions with similar symptoms. Scarlet fever, rheumatic fever, diphtheria, and Marfan syndrome can all present with fever and cardiovascular involvement, but each has distinct clinical features and underlying pathophysiologic mechanisms. Careful evaluation and diagnosis are essential for appropriate treatment and management.

    • This question is part of the following fields:

      • Paediatrics
      9.3
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  • Question 9 - You are requested to assess a neonate who is 6 hours old and...

    Incorrect

    • You are requested to assess a neonate who is 6 hours old and has been experiencing intermittent grunting and occasional nasal flaring. The baby was delivered this morning through an elective Caesarean section at 41 weeks gestation. The respiratory rate and oxygen saturation of the baby are both normal. The mother is worried as her previous child, who was also born through Caesarean section, had a similar presentation. What guidance would you provide to the mother?

      Your Answer: The baby needs a chest x-ray

      Correct Answer: No further treatment or investigation is currently required

      Explanation:

      The primary treatment for uncomplicated transient tachypnoea of the newborn (TTN) involves observation and supportive care, along with the possible use of oxygen. This condition is frequently observed in babies delivered via Caesarean section, but in most cases, no additional treatment or testing is necessary if the baby is healthy. TTN typically resolves on its own, and parents should be reassured accordingly. Antibiotics, supplemental oxygen, and chest imaging are not typically required unless symptoms worsen. Additionally, TTN is not linked to any genetic predisposition or cause.

      Understanding Transient Tachypnoea of the Newborn

      Transient tachypnoea of the newborn (TTN) is a common respiratory condition that affects newborns. It is caused by the delayed resorption of fluid in the lungs, which can lead to breathing difficulties. TTN is more common in babies born via caesarean section, as the fluid in their lungs may not be squeezed out during the birth process. A chest x-ray may show hyperinflation of the lungs and fluid in the horizontal fissure.

      The management of TTN involves observation and supportive care. In some cases, supplementary oxygen may be required to maintain oxygen saturation levels. However, TTN usually resolves within 1-2 days. It is important for healthcare professionals to monitor newborns with TTN closely and provide appropriate care to ensure a full recovery. By understanding TTN and its management, healthcare professionals can provide the best possible care for newborns with this condition.

    • This question is part of the following fields:

      • Paediatrics
      8.5
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  • Question 10 - A 7-month-old girl has been referred to you by the out of hours...

    Incorrect

    • 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: Admission for full septic screen

      Correct 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.

    • This question is part of the following fields:

      • Paediatrics
      9.3
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  • Question 11 - A two-hour-old baby born at 38+5 weeks in the Special Care Baby Unit...

    Incorrect

    • A two-hour-old baby born at 38+5 weeks in the Special Care Baby Unit is exhibiting mild respiratory distress, with subcostal recessions and grunting. The baby's respiratory rate is 68/min without any apnoeas, their heart rate is 150 bpm, and their axillary temperature is 36.8ºC. The baby appears pink, with normal pre-post ductal saturations and no additional heart sounds. Fontanelles are normal, and their birth weight is within the normal range.

      The chest X-ray shows hyperinflation and a thin fluid line in the right horizontal fissure. What is the most significant risk factor for the likely diagnosis?

      Your Answer: Fever during vaginal delivery

      Correct Answer: Caesarean section delivery

      Explanation:

      Transient tachypnoea of the newborn (TTN) is most likely the diagnosis for a baby with mildly raised respiratory rate and increased work of breathing in the hours after labour, with all other observations being normal. Caesarean section delivery is the most important risk factor for TTN, with other risk factors including male gender, birth asphyxia, and gestational diabetes. Breech presentation is not a risk factor for TTN, while meconium in liquor would make meconium aspiration the most likely diagnosis. Fever during vaginal delivery would make other infective differentials more likely, but a sepsis screen would be needed to rule this out before a diagnosis of TTN could be made.

      Understanding Transient Tachypnoea of the Newborn

      Transient tachypnoea of the newborn (TTN) is a common respiratory condition that affects newborns. It is caused by the delayed resorption of fluid in the lungs, which can lead to breathing difficulties. TTN is more common in babies born via caesarean section, as the fluid in their lungs may not be squeezed out during the birth process. A chest x-ray may show hyperinflation of the lungs and fluid in the horizontal fissure.

      The management of TTN involves observation and supportive care. In some cases, supplementary oxygen may be required to maintain oxygen saturation levels. However, TTN usually resolves within 1-2 days. It is important for healthcare professionals to monitor newborns with TTN closely and provide appropriate care to ensure a full recovery. By understanding TTN and its management, healthcare professionals can provide the best possible care for newborns with this condition.

    • This question is part of the following fields:

      • Paediatrics
      17.9
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  • Question 12 - A 14-year-old girl from Germany comes to the clinic complaining of chronic diarrhoea...

    Correct

    • A 14-year-old girl from Germany comes to the clinic complaining of chronic diarrhoea that has been ongoing for the past 10 months. She also reports having foul smelling stools. Her medical history includes recurrent chest infections since childhood and a diagnosis of diabetes mellitus.
      What is the probable diagnosis?

      Your Answer: Cystic fibrosis

      Explanation:

      Regional research programs and voluntary early-detection programs test a significant number of neonates for cystic fibrosis. While coeliac disease and type 1 diabetes mellitus are often associated due to their auto-immune nature, the recurring chest infections are not indicative of coeliac disease.

      Cystic Fibrosis: Symptoms and Characteristics

      Cystic fibrosis is a genetic disorder that affects various organs in the body, particularly the lungs and digestive system. The symptoms of cystic fibrosis can vary from person to person, but there are some common features that are often present. In the neonatal period, around 20% of infants with cystic fibrosis may experience meconium ileus, which is a blockage in the intestine caused by thick, sticky mucous. Prolonged jaundice may also occur, but less commonly. Recurrent chest infections are a common symptom, affecting around 40% of patients. Malabsorption is another common feature, with around 30% of patients experiencing steatorrhoea (excessive fat in the stool) and failure to thrive. Liver disease may also occur in around 10% of patients.

      It is important to note that while many patients are diagnosed with cystic fibrosis during newborn screening or early childhood, around 5% of patients are not diagnosed until after the age of 18. Other features of cystic fibrosis may include short stature, diabetes mellitus, delayed puberty, rectal prolapse (due to bulky stools), nasal polyps, male infertility, and female subfertility. Overall, the symptoms and characteristics of cystic fibrosis can vary widely, but early diagnosis and treatment can help manage the condition and improve quality of life.

    • This question is part of the following fields:

      • Paediatrics
      12.6
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  • Question 13 - You are consulting with a family whose daughter has been referred due to...

    Incorrect

    • You are consulting with a family whose daughter has been referred due to suspected learning difficulties. Whilst talking to her parents, you notice that she has a friendly and sociable personality. You begin to wonder if she might have William's syndrome.

      What physical characteristic would be the strongest indicator of this diagnosis?

      Your Answer: Webbing of the neck

      Correct Answer: Elfin facies

      Explanation:

      William’s syndrome is linked to unique physical characteristics such as elfin facies, a broad forehead, strabismus, and short stature. It is important to note that Klinefelter’s syndrome is characterized by a tall and slender stature. Edward’s syndrome is associated with rocker-bottom feet, while foetal alcohol syndrome is linked to a flattened philtrum. Turner’s syndrome and Noonan’s syndrome are associated with webbing of the neck. Individuals with William’s syndrome often have an elongated, not flat philtrum.

      Understanding William’s Syndrome

      William’s syndrome is a genetic disorder that affects neurodevelopment and is caused by a microdeletion on chromosome 7. The condition is characterized by a range of physical and cognitive features, including elfin-like facies, short stature, and learning difficulties. Individuals with William’s syndrome also tend to have a very friendly and social demeanor, which is a hallmark of the condition. Other common symptoms include transient neonatal hypercalcaemia and supravalvular aortic stenosis.

      Diagnosis of William’s syndrome is typically made through FISH studies, which can detect the microdeletion on chromosome 7. While there is no cure for the condition, early intervention and support can help individuals with William’s syndrome to manage their symptoms and lead fulfilling lives. With a better understanding of this disorder, we can work towards improving the lives of those affected by it.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 14 - As a doctor working on the paediatric ward, you encounter a 5-year-old patient...

    Incorrect

    • As a doctor working on the paediatric ward, you encounter a 5-year-old patient who has become unresponsive. You call for assistance from another doctor and proceed to open the patient's airway, but the child is not breathing. After giving five rescue breaths, the other doctor checks for a femoral pulse, which is not present. You decide to initiate CPR while waiting for further help to arrive.

      What is the appropriate ratio of chest compressions to rescue breaths and the recommended rate of chest compressions for this child?

      Your Answer: Chest compressions rate of 100-120/min, ratio of 30:2

      Correct Answer: Chest compressions rate of 100-120/min, ratio of 15:2

      Explanation:

      For both infants and children, the correct rate for chest compressions during paediatric BLS is 100-120/min. A ratio of 15:2 should be used when there are two or more rescuers, while a ratio of 30:2 is used for lay rescuers. It is important to avoid compressions that are too fast, as rates of 120-150/min do not allow enough time for blood to return to the ventricles. Using only one hand, the pressure should be reduced, but the compression rate should remain the same. Rates of 80-100/min are incorrect as they do not provide sufficient blood flow to vital organs.

      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.

    • This question is part of the following fields:

      • Paediatrics
      10
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  • Question 15 - You are requested to assess a 35-year-old man who has presented to the...

    Incorrect

    • You are requested to assess a 35-year-old man who has presented to the emergency department complaining of shortness of breath, fever, and unusual breathing sounds for the past twelve hours. He reports having a sore throat for the past few days, which has rapidly worsened. He has no significant medical history.

      Upon examination, his vital signs are as follows: respiratory rate 30/min, pulse 120 bpm, oxygen saturation 96%, temperature 39.0ºC, blood pressure 110/60 mmHg. From the end of the bed, you can observe that he is visibly struggling to breathe, has a hoarse voice, and is drooling into a container. You can hear a high-pitched wheeze during inspiration.

      What would be the most appropriate course of action at this point?

      Your Answer: Give him nebulised salbutamol

      Correct Answer: Call the on-call anaesthetist to assess the patient for intubation

      Explanation:

      In cases of acute epiglottitis, protecting the airway is crucial and may require endotracheal intubation. Symptoms such as high fever, sore throat, dyspnoea, change in voice, and inspiratory stridor indicate a potential airway emergency. While other treatments may be necessary, securing the airway should be the top priority, following the ABCDE management steps. IV dexamethasone can help reduce laryngeal oedema, but an anaesthetic assessment should be arranged before administering any medication. Nebulised salbutamol is ineffective in treating laryngeal narrowing caused by epiglottitis. X-rays of the neck may be used, but they can take time to organise and delay urgent airway management. Attempting to visualise the larynx without appropriate senior support and intubation capabilities is dangerous in cases of acute epiglottitis. Flexible nasendoscopy should only be performed with the presence of trained personnel who can secure the airway if necessary.

      Acute epiglottitis is a rare but serious infection caused by Haemophilus influenzae type B. It is important to recognize and treat it promptly as it can lead to airway obstruction. Although it was once considered a disease of childhood, it is now more common in adults in the UK due to the immunization program. The incidence of epiglottitis has decreased since the introduction of the Hib vaccine. Symptoms include a rapid onset, high temperature, stridor, drooling of saliva, and a tripod position where the patient leans forward and extends their neck to breathe easier. Diagnosis is made by direct visualization, but x-rays may be done to rule out a foreign body.

      Immediate senior involvement is necessary, including those who can provide emergency airway support such as anaesthetics or ENT. Endotracheal intubation may be necessary to protect the airway. It is important not to examine the throat if epiglottitis is suspected due to the risk of acute airway obstruction. The diagnosis is made by direct visualization, but only senior staff who are able to intubate if necessary should perform this. Treatment includes oxygen and intravenous antibiotics.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 16 - A 14-year-old girl presents with increased urinary frequency and thirst. Her initial observations...

    Correct

    • A 14-year-old girl presents with increased urinary frequency and thirst. Her initial observations and clinical examination revealed no abnormalities. On initial blood tests, the only abnormalities found are a urea of 10.5 mmol/l (normal range 2.5–6.5 mmol/l) and a borderline serum osmolality of 270 mOsmol/kg (normal range 270–295 mOsmol/kg). She subsequently had water deprivation testing. Time Investigation Result Normal range 0 hours Serum osmolality 270 mOsmol/kg 270–295 mOsmol/kg 4 hours – testing stopped Serum osmolality Urine osmolality 300 mOsmol/kg 285 mOsmol/kg 270–295 mOsmol/kg 350–1000 mOsmol/kg After administration of desmopressin Urine osmolality 287 mOsmol/kg 350–1000 mOsmol/kg. What is the most likely diagnosis based on the investigative results?

      Your Answer: Nephrogenic diabetes insipidus

      Explanation:

      Understanding Nephrogenic Diabetes Insipidus: Differentiating it from Primary Polydipsia and Cranial Diabetes Insipidus

      Nephrogenic diabetes insipidus (DI) is a condition where the nephron fails to concentrate urine despite adequate levels of antidiuretic hormone (ADH) due to insensitivity of the ADH receptors. In contrast, primary polydipsia is characterized by normal ADH secretion and renal sensitivity to ADH, but compulsive water consumption leading to polyuria. Cranial diabetes insipidus, on the other hand, is caused by impaired ADH secretion.

      To differentiate between these conditions, a water deprivation test is conducted. In nephrogenic DI, after eight hours of water deprivation, serum osmolality increases while urine osmolality remains low. Administering 2 μg desmopressin has no effect as the ADH receptors remain insensitive. In primary polydipsia, ADH secretion increases during water deprivation, resulting in retention of water by the kidneys, leading to normal serum osmolality and increased urine osmolality. In cranial diabetes insipidus, serum osmolality increases after water deprivation, but administration of desmopressin should result in a return to normal serum osmolality and a concurrent rise in urine osmolality.

      In cases where the water deprivation test shows abnormal results, further testing may be required. However, in the case of nephrogenic DI, the abnormal results indicate impairment in osmolality regulation due to insensitivity of the renal ADH receptors.

    • This question is part of the following fields:

      • Paediatrics
      15.1
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  • Question 17 - A 17 month old girl comes to your GP clinic with symptoms of...

    Correct

    • A 17 month old girl comes to your GP clinic with symptoms of a viral URTI. While examining her, you notice some developmental concerns. What would be the most worrying sign?

      Your Answer: Unable to say 6 individual words with meaning

      Explanation:

      1. At 23-24 months, children typically have a vocabulary of 20-50 words and can form 2-word phrases with meaning.
      2. Toilet training usually occurs at or after 3 years of age.
      3. By 3 years of age, most children can stand briefly on one leg and hop by age 4.
      4. Walking is typically achieved by 18 months, although most children will walk before 17 months.
      5. It is common for 23-month-old children to engage in solitary play.

      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 18 - What are the common symptoms exhibited by a child with recurring upper urinary...

    Correct

    • What are the common symptoms exhibited by a child with recurring upper urinary tract infections?

      Your Answer: Vesicoureteric reflux

      Explanation:

      Vesicoureteral Reflux

      Vesicoureteral reflux (VUR) is a medical condition where urine flows backwards from the bladder to the kidneys. If left untreated, it can lead to serious health complications such as pyelonephritis, hypertension, and progressive renal failure. In children, VUR is usually caused by a congenital abnormality and is referred to as primary VUR. On the other hand, secondary VUR is commonly caused by recurrent urinary tract infections. While horseshoe kidney can increase the risk of UTIs, it is a much rarer condition compared to VUR. It is important to understand the causes and risks associated with VUR to ensure timely diagnosis and treatment.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 19 - A 5-year-old girl presents with a 3-day history of passing loose stools and...

    Correct

    • A 5-year-old girl presents with a 3-day history of passing loose stools and non-bilious vomiting. She has passed 6 loose stools and vomited 3 times over the last 72 hours. No visible mucous or blood seen in the stool, and urine output has not changed according to her mother. She is able to tolerate oral fluid and liquid food.

      She has not travelled abroad recently and there are no sick contacts. Her vaccination schedule is up-to-date and there are no concerns regarding her growth and development.

      On examination, she appears well and is alert and responsive. She has warm extremities and capillary refill time is <2 seconds. Her vital signs are normal. Peripheral pulses are strong and regular. There is normal skin turgor and there are no sunken eyes.

      What is the appropriate management for this patient?

      Your Answer: Introduce oral rehydration solution (ORS)

      Explanation:

      It is not recommended to give antidiarrhoeal medications to children under 5 years old who have diarrhoea and vomiting caused by gastroenteritis. This is because these medications do not provide any benefits and can cause side effects such as ileus, drowsiness, and nausea. It is also important to discourage the consumption of fruit juices and carbonated drinks, especially for those who are at risk of dehydration. Antibiotics are not routinely recommended for children with gastroenteritis as they do not effectively treat symptoms or prevent complications. The patient in question does not require antibiotic treatment. IV fluid therapy is not necessary as the patient is not clinically dehydrated and can be rehydrated with oral rehydration solution (ORS) and increased daily fluid intake. However, IV fluid therapy may be necessary if the patient shows signs of clinical dehydration or if they persistently vomit the ORS solution.

      Understanding Diarrhoea in Children

      Diarrhoea is a common condition in children that can be caused by various factors. One of the most common causes is gastroenteritis, which is often accompanied by fever and vomiting for the first two days. The main risk associated with this condition is severe dehydration, which can be life-threatening if left untreated. The most common cause of gastroenteritis is rotavirus, and the diarrhoea may last up to a week. The treatment for this condition is rehydration.

      Chronic diarrhoea is another type of diarrhoea that can affect infants and toddlers. In the developed world, the most common cause of chronic diarrhoea in infants is cow’s’ milk intolerance. Toddler diarrhoea, on the other hand, is characterized by stools that vary in consistency and often contain undigested food. Other causes of chronic diarrhoea in children include coeliac disease and post-gastroenteritis lactose intolerance.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 20 - A 4-month-old boy is brought to the emergency department with a fever, poor...

    Incorrect

    • A 4-month-old boy is brought to the emergency department with a fever, poor feeding, and cough. The infant has received all routine vaccinations. Upon examination, the baby is alert and responsive, but there is increased work of breathing. Coarse crackles and a wheeze can be heard throughout the chest. The infant's heart sounds and ECG are normal, and a lumbar puncture is performed and reported as unremarkable. However, one hour later, the patient experiences a cardiac arrest. What is the most probable underlying cause of this arrest?

      Your Answer: Croup

      Correct Answer: Bronchiolitis

      Explanation:

      The most frequent reason for children’s cardiac arrest is respiratory issues, with bronchiolitis being the most common cause. Bronchiolitis is characterized by symptoms such as cough, fever, and poor feeding, as well as physical examination findings like wheezing, crackles, and increased respiratory effort. Congenital cardiac disease is an incorrect option since the patient has normal cardiac findings and ECG. Croup is also an incorrect option as it causes a distinct barking noise and is more prevalent in children aged 6 months to 2 years. Meningitis is another incorrect option as it typically results in an unwell infant with a fever and rapid breathing, but the analysis of cerebrospinal fluid would show abnormalities, which is not the case for this patient.

      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.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 21 - A 9-month-old girl is brought to your clinic by her parents, reporting an...

    Correct

    • A 9-month-old girl is brought to your clinic by her parents, reporting an atypical sequence of movements observed in their daughter. They managed to record a video of the episode, and upon reviewing it, you observe mild bilateral flexion of her neck and legs, succeeded by extension of her arms. She repeats this pattern approximately 40 times before ceasing.
      What is the probable diagnosis for this scenario?

      Your Answer: Infantile spasms

      Explanation:

      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 22 - A 2-day-old male is brought to the neonatal unit due to bilious vomiting...

    Incorrect

    • A 2-day-old male is brought to the neonatal unit due to bilious vomiting and decreased feeding. He was delivered without complications at 32 weeks gestation. An abdominal X-ray reveals intramural gas, prompting the cessation of oral feeding and initiation of broad-spectrum antibiotics. What is the most probable diagnosis?

      Your Answer: Hirschsprung's disease

      Correct Answer: Necrotising enterocolitis

      Explanation:

      Necrotising enterocolitis can be identified by the presence of pneumatosis intestinalis on an abdominal X-ray.

      Understanding Necrotising Enterocolitis

      Necrotising enterocolitis is a serious condition that is responsible for a significant number of premature infant deaths. The condition is characterized by symptoms such as feeding intolerance, abdominal distension, and bloody stools. If left untreated, these symptoms can quickly progress to more severe symptoms such as abdominal discolouration, perforation, and peritonitis.

      To diagnose necrotising enterocolitis, doctors often use abdominal x-rays. These x-rays can reveal a number of important indicators of the condition, including dilated bowel loops, bowel wall oedema, and intramural gas. Other signs that may be visible on an x-ray include portal venous gas, pneumoperitoneum resulting from perforation, and air both inside and outside of the bowel wall. In some cases, an x-ray may also reveal air outlining the falciform ligament, which is known as the football sign.

      Overall, understanding the symptoms and diagnostic indicators of necrotising enterocolitis is crucial for early detection and treatment of this serious condition. By working closely with healthcare professionals and following recommended screening protocols, parents and caregivers can help ensure the best possible outcomes for premature infants at risk for this condition.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 23 - A 7-year-old girl is brought to the pediatrician's office by her father. She...

    Correct

    • A 7-year-old girl is brought to the pediatrician's office by her father. She has been experiencing nighttime itching around her bottom and has mentioned to her father that she has seen small white strands moving in her stool. She is not constipated and is generally healthy. No one else in the household has reported similar symptoms. The girl lives with her father and her two-year-old brother.

      What should be the next course of action?

      Your Answer: Mebendazole and hygiene measures for the patient and his parents, as his sister is too young

      Explanation:

      It is recommended to treat asymptomatic household contacts of patients with threadworms, even if they show no symptoms. In the case of this boy with threadworms, the appropriate course of action would be to administer Mebendazole and advise on hygiene measures for both the patient and his parents. It is not necessary to send a sample to the laboratory for confirmation as empirical treatment is recommended. Advising on hygiene and fluid intake alone would not be sufficient to treat the infection. It is important to note that Mebendazole should not be given to children under six months old, so treating the patient’s three-month-old sister is not appropriate. Permethrin is not a suitable treatment for threadworms as it is used to treat scabies.

      Threadworm Infestation in Children

      Threadworm infestation, caused by Enterobius vermicularis or pinworms, is a common occurrence among children in the UK. The infestation happens when eggs present in the environment are ingested. In most cases, threadworm infestation is asymptomatic, but some possible symptoms include perianal itching, especially at night, and vulval symptoms in girls. Diagnosis can be made by applying Sellotape to the perianal area and sending it to the laboratory for microscopy to see the eggs. However, most patients are treated empirically, and this approach is supported in the CKS guidelines.

      The CKS recommends a combination of anthelmintic with hygiene measures for all members of the household. Mebendazole is the first-line treatment for children over six months old, and a single dose is given unless the infestation persists. It is essential to treat all members of the household to prevent re-infection. Proper hygiene measures, such as washing hands regularly, keeping fingernails short, and washing clothes and bedding at high temperatures, can also help prevent the spread of threadworm infestation.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 24 - You have just helped deliver a 3 week premature baby and are asked...

    Incorrect

    • You have just helped deliver a 3 week premature baby and are asked to quickly assess the current APGAR score. The baby has a slow irregular cry, is pink all over, a slight grimace, with a heart rate of 140 BPM and moving both arms and legs freely. What is the current APGAR score?

      Your Answer: 6

      Correct Answer: 8

      Explanation:

      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 25 - A 9-week-old boy is presented to his GP by his parents who are...

    Incorrect

    • A 9-week-old boy is presented to his GP by his parents who are concerned about an undescended testis. The patient was born at term following an uncomplicated pregnancy and birth and has been healthy since birth. On examination, the left testicle is not palpable in the scrotal sac and is unretractable, while the right testicle has fully descended. What is the most suitable next step in managing this patient?

      Your Answer: Review at 1 year of age

      Correct Answer: Review in 1 month

      Explanation:

      If a male child’s testes have not descended by 3 months of age, it is important to refer them for further evaluation. In the case of a 2-month-old child with a unilateral undescended testicle, the appropriate course of action is to review the situation again in 1 month. It is crucial to monitor the child’s condition as undescended testes can increase the risk of testicular cancer and infertility. While there is a chance that the testicle may descend on its own, it is important to ensure that it does so. Reassurance without follow-up would not be appropriate in this case. If the child were over 3 months of age, a routine referral would be necessary, but in this scenario, the child is only 2 months old. An urgent referral is not necessary at this stage. Waiting until the child is 1 year old to review the case would be inappropriate. If the testicle remains undescended by 3 months of age, the child should be referred to paediatric surgery for orchidopexy by 18 months of age.

      Undescended Testis: Causes, Complications, and Management

      Undescended testis is a condition that affects around 2-3% of male infants born at term, but it is more common in preterm babies. Bilateral undescended testes occur in about 25% of cases. This condition can lead to complications such as infertility, torsion, testicular cancer, and psychological issues.

      To manage unilateral undescended testis, NICE CKS recommends considering referral from around 3 months of age, with the baby ideally seeing a urological surgeon before 6 months of age. Orchidopexy, a surgical procedure, is typically performed at around 1 year of age, although surgical practices may vary.

      For bilateral undescended testes, it is crucial to have the child reviewed by a senior paediatrician within 24 hours as they may require urgent endocrine or genetic investigation. Proper management of undescended testis is essential to prevent complications and ensure the child’s overall health and well-being.

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      • Paediatrics
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  • Question 26 - A 7-year-old girl arrives at the emergency department with severe wheezing and shortness...

    Incorrect

    • A 7-year-old girl arrives at the emergency department with severe wheezing and shortness of breath. She is struggling to speak in full sentences and her peak expiratory flow rate is 320 l/min (45% of normal). Her oxygen saturation levels are at 92%. Her pCO2 is 4.8 kPa.

      What is the most concerning finding from the above information?

      Your Answer: Cannot complete sentences

      Correct Answer: pCO2 (kPa)

      Explanation:

      Assessing Acute Asthma Attacks in Children

      When assessing the severity of asthma attacks in children, the 2016 BTS/SIGN guidelines recommend using specific criteria. These criteria can help determine whether the attack is severe or life-threatening. For a severe attack, the child may have a SpO2 level below 92%, a PEF level between 33-50% of their best or predicted, and may be too breathless to talk or feed. Additionally, their heart rate may be over 125 (for children over 5 years old) or over 140 (for children between 1-5 years old), and their respiratory rate may be over 30 breaths per minute (for children over 5 years old) or over 40 (for children between 1-5 years old). They may also be using accessory neck muscles to breathe.

      For a life-threatening attack, the child may have a SpO2 level below 92%, a PEF level below 33% of their best or predicted, and may have a silent chest, poor respiratory effort, agitation, altered consciousness, or cyanosis. It is important for healthcare professionals to be aware of these criteria and to take appropriate action to manage the child’s asthma attack. By following these guidelines, healthcare professionals can help ensure that children with asthma receive the appropriate care and treatment they need during an acute attack.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 27 - A 10-week-old girl has been brought to the emergency department by her father....

    Incorrect

    • A 10-week-old girl has been brought to the emergency department by her father. He noticed this morning that she was very drowsy and not feeding very much. When he measured her temperature it was 38.5ºC. She was born at 37 weeks gestation with an uncomplicated delivery. There is no past medical history or family history and she does not require any regular medications.

      On examination she is lethargic but responds to voice by opening her eyes. She is mildly hypotonic and febrile. There is a non-blanching rash on her torso that her father says was not there this morning.

      What is the most appropriate management?

      Your Answer: IV ceftriaxone + IV amoxicillin

      Correct Answer: IV amoxicillin + IV cefotaxime

      Explanation:

      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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      • Paediatrics
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  • Question 28 - A mother who has recently moved brings her 9-year-old child to a new...

    Correct

    • A mother who has recently moved brings her 9-year-old child to a new local GP for the first time to check for thyroid issues. During the examination, the GP observes that the child has a short neck, flattened nose, and is of short stature. Additionally, the GP notices prominent epicanthic folds and a single palmar crease. What long-term condition is this child at a higher risk for?

      Your Answer: Alzheimer's disease

      Explanation:

      It is believed that around 50% of individuals over the age of 85 may suffer from Alzheimer’s. Asthma is an incorrect option as there is no evidence to suggest that individuals with Down syndrome are at a higher risk of developing the condition. The patient was brought in for a thyroid check as there is a link between hypothyroidism and Down syndrome, but no association between Down syndrome and hyperthyroidism exists, making this option incorrect. While acute lymphocytic leukemia (ALL) is associated with Down syndrome, lymphoma is not, making it an incorrect option.

      Down’s syndrome is a genetic disorder that is characterized by various clinical features. These features include an upslanting of the palpebral fissures, epicanthic folds, Brushfield spots in the iris, a protruding tongue, small low-set ears, and a round or flat face. Additionally, individuals with Down’s syndrome may have a flat occiput, a single palmar crease, and a pronounced sandal gap between their big and first toe. Hypotonia, congenital heart defects, duodenal atresia, and Hirschsprung’s disease are also common in individuals with Down’s syndrome.

      Cardiac complications are also prevalent in individuals with Down’s syndrome, with multiple cardiac problems potentially present. The most common cardiac defect is the endocardial cushion defect, also known as atrioventricular septal canal defects, which affects 40% of individuals with Down’s syndrome. Other cardiac defects include ventricular septal defect, secundum atrial septal defect, tetralogy of Fallot, and isolated patent ductus arteriosus.

      Later complications of Down’s syndrome include subfertility, learning difficulties, short stature, repeated respiratory infections, hearing impairment from glue ear, acute lymphoblastic leukaemia, hypothyroidism, Alzheimer’s disease, and atlantoaxial instability. Males with Down’s syndrome are almost always infertile due to impaired spermatogenesis, while females are usually subfertile and have an increased incidence of problems with pregnancy and labour.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 29 - A 5-year-old boy is seen in an acute paediatric clinic due to unexplained...

    Correct

    • A 5-year-old boy is seen in an acute paediatric clinic due to unexplained bruising and hepatosplenomegaly on examination. He has a past medical history of Down's syndrome and was placed in foster care immediately after birth. His birth mother, who was 45 years old at delivery, smoked during pregnancy and has a history of osteosarcoma. After further investigations, including a full blood count and bone marrow aspirate, the diagnosis of acute lymphocytic leukaemia is suspected. What is the most significant risk factor associated with this condition?

      Your Answer: History of Down's syndrome

      Explanation:

      Children with Down syndrome are at a higher risk of developing acute lymphoblastic leukaemia due to the loss of a gene that inhibits lymphocyte proliferation known as PCR2. This risk is over 30 times higher than in children without Down syndrome. Additionally, children with Down syndrome are over 100 times more likely to develop acute myeloid leukaemia. Family history of malignancy, maternal age, and female sex are not significant risk factors for the development of ALL.

      Down’s syndrome is a genetic disorder that is characterized by various clinical features. These features include an upslanting of the palpebral fissures, epicanthic folds, Brushfield spots in the iris, a protruding tongue, small low-set ears, and a round or flat face. Additionally, individuals with Down’s syndrome may have a flat occiput, a single palmar crease, and a pronounced sandal gap between their big and first toe. Hypotonia, congenital heart defects, duodenal atresia, and Hirschsprung’s disease are also common in individuals with Down’s syndrome.

      Cardiac complications are also prevalent in individuals with Down’s syndrome, with multiple cardiac problems potentially present. The most common cardiac defect is the endocardial cushion defect, also known as atrioventricular septal canal defects, which affects 40% of individuals with Down’s syndrome. Other cardiac defects include ventricular septal defect, secundum atrial septal defect, tetralogy of Fallot, and isolated patent ductus arteriosus.

      Later complications of Down’s syndrome include subfertility, learning difficulties, short stature, repeated respiratory infections, hearing impairment from glue ear, acute lymphoblastic leukaemia, hypothyroidism, Alzheimer’s disease, and atlantoaxial instability. Males with Down’s syndrome are almost always infertile due to impaired spermatogenesis, while females are usually subfertile and have an increased incidence of problems with pregnancy and labour.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 30 - A 4-year-old boy is brought to his pediatrician by his father. He has...

    Incorrect

    • A 4-year-old boy is brought to his pediatrician by his father. He has been experiencing a dry cough and runny nose for the past 7 days, along with a 6-day history of fevers up to 38.7ºC that have not responded to paracetamol and ibuprofen.

      During the examination, the boy appears generally unwell and unhappy. His tongue is bright red, and there is a maculopapular rash on his trunk. Bilateral conjunctival injection is present, but there is no apparent discharge. Additionally, palpable submandibular lymphadenopathy is observed.

      What investigation should be utilized to screen for long-term complications, given the probable diagnosis?

      Your Answer: ECG

      Correct Answer: Echocardiogram

      Explanation:

      An echocardiogram should be used to screen for coronary artery aneurysms, which are a complication of Kawasaki disease. To diagnose Kawasaki disease, a child must have a fever for at least 5 days and meet 4 out of 5 diagnostic criteria, including oropharyngeal changes, changes in the peripheries, bilateral non purulent conjunctivitis, polymorphic rash, and cervical lymphadenopathy. This disease is the most common cause of acquired cardiac disease in childhood, and it is important to exclude coronary artery aneurysms. Echocardiograms are a noninvasive and appropriate screening modality for this complication, as they do not expose the child to ionising radiation. Antistreptolysin O antibody titres, CT coronary angiogram, and ECG are not appropriate screening modalities for coronary artery aneurysms associated with Kawasaki disease.

      Understanding Kawasaki Disease

      Kawasaki disease is a rare type of vasculitis that primarily affects children. It is important to identify this disease early on as it can lead to serious complications, such as coronary artery aneurysms. The disease is characterized by a high-grade fever that lasts for more than five days and is resistant to antipyretics. Other symptoms include conjunctival injection, bright red, cracked lips, strawberry tongue, cervical lymphadenopathy, and red palms and soles that later peel.

      Diagnosis of Kawasaki disease is based on clinical presentation as there is no specific diagnostic test available. Management of the disease involves high-dose aspirin, which is one of the few indications for aspirin use in children. Intravenous immunoglobulin is also used as a treatment option. Echocardiogram is the initial screening test for coronary artery aneurysms, rather than angiography.

      Complications of Kawasaki disease can be serious, with coronary artery aneurysm being the most common. It is important to recognize the symptoms of Kawasaki disease early on and seek medical attention promptly to prevent potential complications.

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      • Paediatrics
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