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  • Question 1 - A 6-year-old boy is brought to the Emergency Department by his parents. He...

    Correct

    • A 6-year-old boy is brought to the Emergency Department by his parents. He has been feeling unwell for 6 days with diarrhoea and is now lethargic and pale. Despite drinking enough fluids, he has not urinated in over 14 hours. The child has no medical history and has received all of his vaccinations. His symptoms began 3 days after he ate a chicken burger at a fair. During the examination, the doctor noticed multiple petechiae on his torso and limbs, and his feet were swollen. What is the likely diagnosis, and what is the organism responsible for this patient's illness?

      Your Answer: Escherichia coli

      Explanation:

      This child’s symptoms, including oliguria, peripheral edema, petechial bruising, and pallor, suggest the possibility of hemolytic uremic syndrome (HUS). HUS is often associated with diarrheal illnesses and is characterized by normocytic anemia, thrombocytopenia, and acute kidney injury. The most common cause of HUS is Shiga-toxin producing Escherichia coli, which can be contracted from undercooked meat, such as a chicken burger from a carnival. While Campylobacter jejuni is a common cause of acute diarrhea, it is not typically associated with HUS. Clostridium perfringens can cause acute diarrhea and vomiting but is not associated with HUS. Salmonella species can also cause diarrheal illnesses, but they are not a common cause of HUS. In this case, Escherichia coli is the most likely causative organism.

      Understanding Haemolytic Uraemic Syndrome

      Haemolytic uraemic syndrome (HUS) is a condition that primarily affects young children and is characterized by a triad of symptoms, including acute kidney injury, microangiopathic haemolytic anaemia, and thrombocytopenia. The majority of cases are secondary and caused by Shiga toxin-producing Escherichia coli (STEC) 0157:H7, also known as ‘verotoxigenic’ or ‘enterohaemorrhagic’. Other causes of HUS include pneumococcal infection, HIV, systemic lupus erythematosus, drugs, and cancer. Primary HUS, also known as ‘atypical’, is caused by complement dysregulation.

      To diagnose HUS, doctors may perform a full blood count to check for microangiopathic hemolytic anaemia and thrombocytopenia. A fragmented blood film may also be done to look for schistocytes and helmet cells. Additionally, a stool culture may be performed to check for evidence of STEC infection, and PCR for Shiga toxins may be done.

      Treatment for HUS is supportive and may include fluids, blood transfusion, and dialysis if required. Antibiotics are not recommended, despite the preceding diarrhoeal illness in many patients. Plasma exchange may be considered for severe cases of HUS not associated with diarrhoea, while eculizumab, a C5 inhibitor monoclonal antibody, has shown greater efficiency than plasma exchange alone in the treatment of adult atypical HUS.

      Overall, understanding the causes, symptoms, and management of HUS is crucial for healthcare professionals to provide appropriate care for patients with this condition.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 2 - What is the most effective examination to detect the potential complications of Kawasaki...

    Correct

    • What is the most effective examination to detect the potential complications of Kawasaki disease in children?

      Your Answer: Echocardiogram

      Explanation:

      An echocardiogram should be performed to screen for coronary artery aneurysms, which can be a complication of 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.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 3 - A 7-year-old child is brought to see you by his parents, who are...

    Incorrect

    • A 7-year-old child is brought to see you by his parents, who are concerned because he still wets his bed every night. A urine culture is normal; urine is negative for glucose and protein.
      What would be the most appropriate approach to managing this child's bedwetting?

      Your Answer: Desmopressin nasal spray

      Correct Answer: Reassurance to parents with general advice

      Explanation:

      Understanding and Managing Nocturnal Enuresis in Children

      Nocturnal enuresis, or bedwetting, is a common issue among children. While it can sometimes be caused by an underlying medical condition, such as a urinary tract infection or diabetes, in most cases it is simply a developmental issue that will resolve on its own over time.

      It is important to have a medical evaluation to rule out any underlying medical conditions, but once those have been ruled out, treatment is generally not recommended until the child is at least six years old. In the meantime, parents can use star charts and enuresis alarms to help motivate their child to stay dry at night.

      It is also important to consider any psychological issues that may be contributing to the problem. Parents should ask their child about their school performance, friendships, and home life, and try to speak to the child alone if possible to get a better understanding of any stressors that may be affecting them.

      There is no need for a referral for an ultrasound scan unless there is a suspicion of a structural abnormality. Desmopressin nasal spray can be prescribed for short-term relief, but oral imipramine is no longer recommended. Prophylactic antibiotics are also not indicated for nocturnal enuresis.

      Overall, parents should be reassured that bedwetting is a common issue that many children experience, and with time and patience, it will likely resolve on its own.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 4 - Sarah, a 5-year-old child visits the allergy clinic with her parents. She has...

    Incorrect

    • Sarah, a 5-year-old child visits the allergy clinic with her parents. She has a confirmed milk protein allergy and her parents are interested in using the milk ladder to manage it. Which food item would be suitable to gradually introduce?

      Your Answer: Shepherd's pie

      Correct Answer: Malted milk biscuits

      Explanation:

      Children with cows milk protein allergy can use the milk ladder to reintroduce milk protein after they turn 6 months old.

      To gradually introduce milk, the milk ladder starts with cooked or baked milk. The process begins with malted milk biscuits and then progresses in a step-by-step manner towards pasteurised milk.

      Understanding Cow’s Milk Protein Intolerance/Allergy

      Cow’s milk protein intolerance/allergy (CMPI/CMPA) is a condition that affects around 3-6% of children, typically presenting in the first 3 months of life in formula-fed infants. Both immediate and delayed reactions can occur, with CMPA used for immediate reactions and CMPI for mild-moderate delayed reactions. Symptoms include regurgitation, vomiting, diarrhea, urticaria, atopic eczema, colic symptoms, wheeze, chronic cough, and rarely, angioedema and anaphylaxis. Diagnosis is often clinical, with investigations including skin prick/patch testing and total IgE and specific IgE (RAST) for cow’s milk protein.

      Management for formula-fed infants includes using extensive hydrolyzed formula (eHF) milk as the first-line replacement formula for mild-moderate symptoms and amino acid-based formula (AAF) for severe CMPA or if no response to eHF. Around 10% of infants are also intolerant to soya milk. For breastfed infants, mothers should eliminate cow’s milk protein from their diet and consider prescribing calcium supplements to prevent deficiency. eHF milk can be used when breastfeeding stops until at least 6 months and up to 12 months of age.

      The prognosis for CMPI is usually good, with most children becoming milk tolerant by the age of 3-5 years. However, a challenge is often performed in a hospital setting as anaphylaxis can occur. It is important to refer infants with severe symptoms to a pediatrician for management. Understanding CMPI/CMPA and its management can help parents and healthcare providers provide appropriate care for affected children.

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      • Paediatrics
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  • Question 5 - A 35-year-old primip has a stillborn baby at 34 weeks gestation. The infant...

    Incorrect

    • A 35-year-old primip has a stillborn baby at 34 weeks gestation. The infant presents with microcephaly, micrognathia, and club feet. What is the diagnosis?

      Your Answer: Trisomy 13

      Correct Answer: Trisomy 18

      Explanation:

      Edward’s syndrome is characterized by micrognathia, low-set ears, rocker bottom feet, and overlapping of fingers. The baby affected by this syndrome will have experienced slow growth in the womb and will have a low birthweight. Unfortunately, around half of those who survive to birth will pass away within two weeks, and only one in every five will live for at least three months. The survival rate beyond one year is only one in every 12 babies born with Edwards’ syndrome. This information is according to NHS Choices.

      Childhood syndromes are a group of medical conditions that affect children and are characterized by a set of common features. Patau syndrome, also known as trisomy 13, is a syndrome that is characterized by microcephaly, small eyes, cleft lip/palate, polydactyly, and scalp lesions. Edward’s syndrome, also known as trisomy 18, is characterized by micrognathia, low-set ears, rocker bottom feet, and overlapping of fingers. Fragile X syndrome is characterized by learning difficulties, macrocephaly, long face, large ears, and macro-orchidism. Noonan syndrome is characterized by a webbed neck, pectus excavatum, short stature, and pulmonary stenosis. Pierre-Robin syndrome is characterized by micrognathia, posterior displacement of the tongue, and cleft palate. Prader-Willi syndrome is characterized by hypotonia, hypogonadism, and obesity. William’s syndrome is characterized by short stature, learning difficulties, friendly, extrovert personality, and transient neonatal hypercalcaemia. Cri du chat syndrome, also known as chromosome 5p deletion syndrome, is characterized by a characteristic cry, feeding difficulties and poor weight gain, learning difficulties, microcephaly and micrognathism, and hypertelorism. It is important to note that Treacher-Collins syndrome is similar to Pierre-Robin syndrome, but it is autosomal dominant and usually has a family history of similar problems.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 6 - At what age is it likely that the refugee's hip condition began to...

    Correct

    • At what age is it likely that the refugee's hip condition began to develop, given the severe flattening and fragmentation of the right femoral head and widened joint space in the left hip joint seen on the hip radiograph during his first routine check-up at the age of 30?

      Your Answer: 4 - 8 years old

      Explanation:

      Perthes’ disease is commonly seen in children aged between 4 and 8 years, as is the case with this untreated patient. The other age ranges mentioned are not typical for this condition.

      Understanding Perthes’ Disease

      Perthes’ disease is a degenerative condition that affects the hip joints of children, typically between the ages of 4-8 years. It is caused by a lack of blood supply to the femoral head, which leads to bone infarction and avascular necrosis. This condition is more common in boys, with around 10% of cases being bilateral. The symptoms of Perthes’ disease include hip pain, stiffness, reduced range of hip movement, and a limp. Early changes can be seen on an x-ray, such as widening of the joint space, while later changes include decreased femoral head size and flattening.

      To diagnose Perthes’ disease, a plain x-ray is usually sufficient. However, if symptoms persist and the x-ray is normal, a technetium bone scan or magnetic resonance imaging may be necessary. If left untreated, Perthes’ disease can lead to complications such as osteoarthritis and premature fusion of the growth plates.

      The severity of Perthes’ disease is classified using the Catterall staging system, which ranges from stage 1 (clinical and histological features only) to stage 4 (loss of acetabular integrity). Treatment options include keeping the femoral head within the acetabulum using a cast or braces, observation for children under 6 years old, and surgical management for older children with severe deformities. The prognosis for Perthes’ disease is generally good, with most cases resolving with conservative management. Early diagnosis is key to improving outcomes.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 7 - Which of the following conditions is not screened for in the blood spot...

    Incorrect

    • Which of the following conditions is not screened for in the blood spot screening test for infants?

      Your Answer: Sickle cell disease

      Correct Answer: Galactosaemia

      Explanation:

      Neonatal Blood Spot Screening: Identifying Potential Health Risks in Newborns

      Neonatal blood spot screening, also known as the Guthrie test or heel-prick test, is a routine procedure performed on newborns between 5-9 days of life. The test involves collecting a small sample of blood from the baby’s heel and analyzing it for potential health risks. Currently, there are nine conditions that are screened for, including congenital hypothyroidism, cystic fibrosis, sickle cell disease, phenylketonuria, medium chain acyl-CoA dehydrogenase deficiency (MCADD), maple syrup urine disease (MSUD), isovaleric acidaemia (IVA), glutaric aciduria type 1 (GA1), and homocystinuria (pyridoxine unresponsive) (HCU).

    • This question is part of the following fields:

      • Paediatrics
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  • Question 8 - A newborn boy is born via emergency caesarean section at 42 weeks and...

    Correct

    • A newborn boy is born via emergency caesarean section at 42 weeks and 5 days due to fetal tachycardia and thick meconium-stained amniotic fluid. The mother received intrapartum antibiotics as she was known to be colonized with group B streptococcus. The infant presents with cyanosis, tachypnea, and chest wall retraction. A chest X-ray reveals patchy infiltrates and atelectasis. What is the probable diagnosis?

      Your Answer: Meconium aspiration syndrome

      Explanation:

      Transient tachypnoea of the newborn does not exhibit cyanosis or chest X-ray changes. Preterm deliveries are usually associated with surfactant deficiency.

      Understanding Meconium Aspiration Syndrome

      Meconium aspiration syndrome is a condition that affects newborns and causes respiratory distress due to the presence of meconium in the trachea. This condition typically occurs in the immediate neonatal period and is more common in post-term deliveries, with rates of up to 44% reported in babies born after 42 weeks. The severity of the respiratory distress can vary, but it can be quite severe in some cases.

      There are several risk factors associated with meconium aspiration syndrome, including a history of maternal hypertension, pre-eclampsia, chorioamnionitis, smoking, or substance abuse. These risk factors can increase the likelihood of a baby developing this condition. It is important for healthcare providers to be aware of these risk factors and to monitor newborns closely for signs of respiratory distress.

      Overall, meconium aspiration syndrome is a serious condition that requires prompt medical attention. With proper management and treatment, however, most babies are able to recover fully and go on to lead healthy lives. By understanding the risk factors and symptoms associated with this condition, healthcare providers can help ensure that newborns receive the care they need to thrive.

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      • Paediatrics
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  • Question 9 - You are a junior doctor working in pediatrics. You are preparing cases for...

    Incorrect

    • You are a junior doctor working in pediatrics. You are preparing cases for the morbidity and mortality meeting. What is the time frame that defines infant mortality?

      Your Answer: Any death after twenty weeks gestation until six weeks post partum

      Correct Answer: Any death in pregnancy, labour or in the six weeks post partum

      Explanation:

      The investigation of maternal deaths in the UK is carried out by the Confidential Enquiry into Maternal Deaths, which encompasses deaths occurring during pregnancy, labour, and up to six weeks after delivery. Post partum haemorrhage (PPH) is a leading cause of maternal mortality. A stillbirth is defined as the loss of a fetus after twenty weeks gestation, while any loss prior to this is classified as a miscarriage.

      Perinatal Death Rates and Related Metrics

      Perinatal mortality rate is a measure of stillbirths and early neonatal deaths within seven days per 1,000 births after 24 weeks of gestation. In the UK, this rate is around 6 per 1,000 births. This figure is usually broken down into 4 per 1,000 stillbirths and 2 per 1,000 early neonatal deaths.

      Maternal mortality rate, on the other hand, is calculated by dividing the number of deaths during pregnancy, labor, and six weeks after delivery by the total number of maternities and multiplying the result by 1000. Meanwhile, the stillbirth rate is determined by dividing the number of babies born dead after 24 weeks by the total number of births (live and stillborn) and multiplying the result by 1000. Lastly, the neonatal death rate is computed by dividing the number of babies who died between 0-28 days by the total number of live births and multiplying the result by 1000.

      These metrics are important in assessing the quality of perinatal care and identifying areas for improvement. By monitoring these rates, healthcare providers can work towards reducing perinatal deaths and improving maternal and neonatal outcomes.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 10 - A newly born infant is diagnosed with gastroschisis and has exposed bowel. The...

    Incorrect

    • A newly born infant is diagnosed with gastroschisis and has exposed bowel. The mother is concerned about potential complications besides fluid loss.

      Your Answer: Cardiac abnormalities

      Correct Answer: Heat loss

      Explanation:

      Exposed bowel in babies with gastroschisis leads to a considerable loss of fluid and heat, which can pose a serious risk to their lives. Unlike exomphalos, gastroschisis is not associated with cardiac and renal issues. Additionally, there is no correlation between gastroschisis and microcephaly or macrocephaly.

      Gastroschisis and exomphalos are both types of congenital visceral malformations. Gastroschisis refers to a defect in the anterior abdominal wall located just beside the umbilical cord. In contrast, exomphalos, also known as omphalocoele, involves the protrusion of abdominal contents through the anterior abdominal wall, which are covered by an amniotic sac formed by amniotic membrane and peritoneum.

      When it comes to managing gastroschisis, vaginal delivery may be attempted, but newborns should be taken to the operating theatre as soon as possible after delivery, ideally within four hours. As for exomphalos, a caesarean section is recommended to reduce the risk of sac rupture. In cases where primary closure is difficult due to lack of space or high intra-abdominal pressure, a staged repair may be undertaken. This involves allowing the sac to granulate and epithelialise over several weeks or months, forming a shell. As the infant grows, the sac contents will eventually fit within the abdominal cavity, at which point the shell can be removed and the abdomen closed.

      Overall, both gastroschisis and exomphalos require careful management to ensure the best possible outcome for the newborn. By understanding the differences between these two conditions and the appropriate steps to take, healthcare professionals can provide effective care and support to both the infant and their family.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 11 - A mother of a 5-year-old child with cystic fibrosis (CF) visits the clinic...

    Correct

    • A mother of a 5-year-old child with cystic fibrosis (CF) visits the clinic to inquire about the likelihood of having another child with CF. She is still with the same partner as before. What is the probability of them having another child with CF?

      Your Answer: 25%

      Explanation:

      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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      • Paediatrics
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  • Question 12 - A 9-week-old girl is seen by a surgeon for a general evaluation. During...

    Incorrect

    • A 9-week-old girl is seen by a surgeon for a general evaluation. During the assessment, her head circumference is observed to be between the 0.4th and 2nd percentile. Which of the following options would NOT account for this observation?

      Your Answer: Hypoxic ischaemic encephalopathy

      Correct Answer: Fragile X syndrome

      Explanation:

      Although not a typical reason for macrocephaly, children diagnosed with Fragile X syndrome often exhibit an enlarged head size.

      Understanding Microcephaly: Causes and Definitions

      Microcephaly is a condition characterized by a smaller than average head circumference, with measurements falling below the 2nd percentile. While some cases may be attributed to normal variation or familial traits, other causes include congenital infections, perinatal brain injury, fetal alcohol syndrome, and syndromes such as Patau and craniosynostosis.

      In some cases, microcephaly may simply be a variation of normal development, with no underlying medical concerns. However, when it is caused by other factors, it can lead to developmental delays, intellectual disability, and other neurological issues.

      It is important to note that microcephaly is not a disease in and of itself, but rather a symptom of an underlying condition. As such, it is crucial to identify and address the root cause of microcephaly in order to provide appropriate treatment and support for affected individuals.

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      • Paediatrics
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  • Question 13 - An 8-year-old girl is brought in by her father, who reports that the...

    Incorrect

    • An 8-year-old girl is brought in by her father, who reports that the child experiences constant urinary dribbling and dampness. A urine dipstick was negative.
      Which of the following is the most appropriate drug to prescribe?

      Your Answer: Desmopressin

      Correct Answer: Oxybutynin

      Explanation:

      Medications for Urinary and Bowel Issues in Children

      Overactive bladder and nocturnal enuresis are common urinary issues in children. Here are some medications that can be used to treat these conditions:

      1. Oxybutynin: This medication relaxes the urinary smooth muscle and is used to treat overactive bladder in children over 5 years old.

      2. Imipramine: A tricyclic antidepressant that is used as a second-line treatment for nocturnal enuresis.

      3. Desmopressin: A vasopressin analogue that can be used to treat nocturnal enuresis in children.

      4. Duloxetine: A serotonin and noradrenaline reuptake inhibitor (SNRI) used to treat stress urinary incontinence in women. It is not licensed for use in individuals under 18 years old.

      In addition, loperamide is an opioid antimotility drug that can be used to treat diarrhoea caused by gastroenteritis or inflammatory bowel disease.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 14 - A 7-year-old boy comes to his General Practitioner with his mother, having just...

    Correct

    • A 7-year-old boy comes to his General Practitioner with his mother, having just woken up from a nap and experienced twitching of the left side of his mouth. He complains of a ‘buzzing’ sensation in his lips. His speech is unclear and he drooled from the left side of his mouth. His symptoms resolved within two minutes and he remained conscious throughout the episode.
      What is the most probable diagnosis?

      Your Answer: Benign rolandic epilepsy (BRE)

      Explanation:

      Types of Epilepsy: Characteristics and Differences

      Epilepsy is a neurological disorder characterized by recurrent seizures. There are different types of epilepsy, each with its own set of clinical features and diagnostic criteria. Here are some of the most common types of epilepsy and their distinguishing characteristics:

      Benign Rolandic Epilepsy (BRE)
      BRE, also known as childhood epilepsy with centrotemporal spikes, is characterized by seizures that often occur during sleep or just before waking. Children may experience paraesthesia of their lips, tongue, or the inside of their mouth, which can interfere with speech and cause drooling. Twitching of one side of the mouth or face often develops, followed by twitching in the limbs on the same side. Seizures typically last less than two minutes, and the child remains conscious.

      Absence Seizures
      Absence seizures are a form of generalized epilepsy that impairs consciousness. Children are most commonly affected, and the seizures usually last only a few seconds but may occur many times a day. During the absence, the child stops activity and stares blankly, not responding to questions. There may be lip-smacking or facial tics. An EEG will reveal a characteristic spike-and-wave activity.

      Temporal Lobe Epilepsy (TLE)
      TLE is characterized by partial and/or focal seizures that may be simple or complex, with some loss of awareness. The clinical features of TLE reflect the function of the temporal lobe, primarily speech, taste, smell, and memory. Presentations may include déjà vu, gastrointestinal disturbance, amnesia during an attack, olfactory or gustatory hallucinations, and abnormal sensations crawling up the body. Repetitive vocalizations, automatism, and lip-smacking may be seen.

      Juvenile Myoclonic Epilepsy (JME)
      JME describes generalized epilepsy that impairs consciousness. JME usually presents in later childhood, with a peak onset at 10–16 years. The defining seizure is myoclonic and usually occurs in the first hour after waking. These seizures occur as sudden jerks, which commonly involve the arms and/or trunk. However, any muscle may be affected. The patient is generally conscious while myoclonic jerks are occurring. Generalized tonic-clonic seizures often accompany myoclonic seizures in JME, which may lead to reduced consciousness.

      Infantile Spasms
      Infantile spasms develop in the first year of life, with peak

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      • Paediatrics
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  • Question 15 - A 6-week-old baby is observed to have rocker-bottom feet, microcephaly and a small...

    Correct

    • A 6-week-old baby is observed to have rocker-bottom feet, microcephaly and a small retracted chin. The mother is a refugee from Syria who gave birth recently but could not attend antenatal screening. What is the probable syndrome?

      Your Answer: Edwards' syndrome

      Explanation:

      Understanding Genetic Conditions: Trisomy 18 (Edwards’ Syndrome)

      Trisomy 18, also known as Edwards’ syndrome, is a genetic condition that results in a range of physical and developmental abnormalities. Neonates with trisomy 18 often present with neonatal hypotonia, apnoea, and seizures, as well as severe psychomotor and growth retardation. Other common features include microcephaly, microphthalmia, microstomia, micrognathia, clenched fingers, and rocker-bottom feet. Over 90% of individuals with trisomy 18 have cardiac defects, commonly ventricular septal defect (VSD), as well as anomalies in most organ systems. Unfortunately, many fetuses will die in utero, and neonates born with trisomy 18 have a 40% chance of survival to 1 month.

      It is important to note that an Edwards’ syndrome diagnosis should be made in the prenatal period. Low levels of AFP (α-fetoprotein), estradiol, and hCG (human chorionic gonadotrophin) on triple test biochemistry are suggestive, and the diagnosis can be confirmed on ultrasonography.

      Other genetic conditions, such as Pierre-Robin syndrome, Down’s syndrome, Fragile X syndrome, and Noonan’s syndrome, have their own distinct features and should be differentiated from trisomy 18. Understanding these conditions and their unique characteristics can aid in early diagnosis and appropriate management.

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      • Paediatrics
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  • Question 16 - A 1-year-old child is diagnosed with multiple congenital abnormalities such as an extra...

    Incorrect

    • A 1-year-old child is diagnosed with multiple congenital abnormalities such as an extra finger on each hand, microphthalmia, microcephaly, and cleft palate and lip. Which chromosome is most likely to be affected in this case?

      Your Answer: 18

      Correct Answer: 13

      Explanation:

      A newborn has been diagnosed with Patau syndrome, which is caused by an extra full copy of chromosome 13 (trisomy 13). This chromosomal abnormality often results in physical and mental disabilities, with distinguishing features including polydactyly, cleft lips and palates, microcephaly, and microphthalmia. Unfortunately, many infants with Patau syndrome do not survive beyond their first year of life. Those who do survive often experience intellectual and motor disabilities.

      Childhood syndromes are a group of medical conditions that affect children and are characterized by a set of common features. Patau syndrome, also known as trisomy 13, is a syndrome that is characterized by microcephaly, small eyes, cleft lip/palate, polydactyly, and scalp lesions. Edward’s syndrome, also known as trisomy 18, is characterized by micrognathia, low-set ears, rocker bottom feet, and overlapping of fingers. Fragile X syndrome is characterized by learning difficulties, macrocephaly, long face, large ears, and macro-orchidism. Noonan syndrome is characterized by a webbed neck, pectus excavatum, short stature, and pulmonary stenosis. Pierre-Robin syndrome is characterized by micrognathia, posterior displacement of the tongue, and cleft palate. Prader-Willi syndrome is characterized by hypotonia, hypogonadism, and obesity. William’s syndrome is characterized by short stature, learning difficulties, friendly, extrovert personality, and transient neonatal hypercalcaemia. Cri du chat syndrome, also known as chromosome 5p deletion syndrome, is characterized by a characteristic cry, feeding difficulties and poor weight gain, learning difficulties, microcephaly and micrognathism, and hypertelorism. It is important to note that Treacher-Collins syndrome is similar to Pierre-Robin syndrome, but it is autosomal dominant and usually has a family history of similar problems.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 17 - A 4-year-old child is rushed to the emergency department due to severe breathing...

    Correct

    • A 4-year-old child is rushed to the emergency department due to severe breathing difficulties caused by croup. The child was given oral dexamethasone by the GP earlier in the day. Upon examination, the child's oxygen saturation is at 89% on room air and there is noticeable intercostal recession. What emergency treatment should be administered to the child?

      Your Answer: Oxygen + nebulised adrenaline

      Explanation:

      Understanding Croup: A Respiratory Infection in Infants and Toddlers

      Croup is a type of upper respiratory tract infection that commonly affects infants and toddlers. It is characterized by a barking cough, fever, and coryzal symptoms, and is caused by a combination of laryngeal oedema and secretions. Parainfluenza viruses are the most common cause of croup. The condition typically peaks between 6 months and 3 years of age, and is more prevalent during the autumn season.

      The severity of croup can be graded based on the presence of symptoms such as stridor, cough, and respiratory distress. Mild cases may only have occasional barking cough and no audible stridor at rest, while severe cases may have frequent barking cough, prominent inspiratory stridor at rest, and marked sternal wall retractions. Children with moderate or severe croup, those under 6 months of age, or those with known upper airway abnormalities should be admitted to the hospital.

      Diagnosis of croup is usually made based on clinical presentation, but a chest x-ray may show subglottic narrowing, commonly referred to as the steeple sign. Treatment for croup typically involves a single dose of oral dexamethasone or prednisolone, regardless of severity. In emergency situations, high-flow oxygen and nebulized adrenaline may be necessary.

      Understanding croup is important for parents and healthcare providers alike, as prompt recognition and treatment can help prevent complications and improve outcomes for affected children.

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      • Paediatrics
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  • Question 18 - A 10-year-old girl is brought to the emergency room due to worsening asthma...

    Correct

    • A 10-year-old girl is brought to the emergency room due to worsening asthma symptoms over the past 48 hours. Her parents are worried that her breathing is not improving with the usual inhaled salbutamol treatment. What signs indicate a potentially life-threatening asthma attack?

      Your Answer: Quiet breath sounds on auscultation

      Explanation:

      The absence of bilateral wheezing and presence of quiet breath sounds in a child with asthma is a concerning sign, as it may indicate a severe asthma attack that could be life-threatening.

      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 19 - Which of the following neonatal complications is least frequently observed in pregnancies of...

    Correct

    • Which of the following neonatal complications is least frequently observed in pregnancies of women with diabetes?

      Your Answer: Microsomia

      Explanation:

      Macrosomia is more likely to occur in individuals with diabetes than microsomia.

      Complications of Diabetes during Pregnancy

      Diabetes during pregnancy can lead to various complications for both the mother and the baby. Maternal complications may include polyhydramnios, which occurs in 25% of cases and may be due to fetal polyuria. Preterm labor is also a common complication, occurring in 15% of cases and often associated with polyhydramnios.

      Neonatal complications may include macrosomia, although diabetes can also cause small for gestational age babies. Hypoglycemia is another potential complication, which can occur due to beta cell hyperplasia. Respiratory distress syndrome may also occur, as surfactant production is delayed. Polycythemia, which leads to more neonatal jaundice, is also a possibility.

      Malformation rates may increase 3-4 fold, with sacral agenesis, CNS and CVS malformations (hypertrophic cardiomyopathy) being some of the potential risks. Stillbirth is also a possibility. Hypomagnesemia and hypocalcemia may occur, and shoulder dystocia may cause Erb’s palsy.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 20 - A 3-day-old baby boy is experiencing cyanosis during feeding and crying, leading to...

    Incorrect

    • A 3-day-old baby boy is experiencing cyanosis during feeding and crying, leading to suspicion of congenital heart disease. What could be the probable reason?

      Your Answer: Tetralogy of Fallot

      Correct Answer: Transposition of the great arteries

      Explanation:

      When it comes to congenital heart disease, TGA and Fallot’s are the most common causes of cyanotic heart disease. However, TGA is more commonly seen in newborns, while Fallot’s typically presents a few months after a murmur is detected. VSD is the most common cause of acyanotic congenital heart disease.

      Congenital heart disease can be categorized into two types: acyanotic and cyanotic. Acyanotic heart diseases are more common and include ventricular septal defects (VSD), atrial septal defect (ASD), patent ductus arteriosus (PDA), coarctation of the aorta, and aortic valve stenosis. VSD is the most common acyanotic heart disease, accounting for 30% of cases. ASDs are less common than VSDs, but they are more frequently diagnosed in adult patients as they tend to present later. On the other hand, cyanotic heart diseases are less common and include tetralogy of Fallot, transposition of the great arteries (TGA), and tricuspid atresia. Fallot’s is more common than TGA, but TGA is the more common lesion at birth as patients with Fallot’s generally present at around 1-2 months. The presence of cyanosis in pulmonary valve stenosis depends on the severity and any other coexistent defects.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 21 - A 4-year-old child is presented to your allergy clinic by anxious parents. The...

    Correct

    • A 4-year-old child is presented to your allergy clinic by anxious parents. The child has a previous medical record of a mild non-IgE mediated egg allergy. What course of action would you suggest?

      Your Answer: Gradual reintroduction of egg based products using the egg ladder

      Explanation:

      The egg ladder can be used to reintroduce egg in children with non-IgE mediated allergy, starting with baked egg in biscuits. Chlorpheniramine and adrenaline pen are not appropriate choices.

      Identifying and Managing Food Allergies in Children and Young People

      Food allergies in children and young people can be categorized into IgE-mediated and non-IgE-mediated allergies. It is important to note that food intolerance is not caused by immune system dysfunction and is not covered by the 2011 NICE guidelines. Symptoms of IgE-mediated allergies include skin reactions such as pruritus, erythema, urticaria, and angioedema, gastrointestinal symptoms like nausea, colicky abdominal pain, vomiting, and diarrhea, and respiratory symptoms such as nasal itching, sneezing, rhinorrhea, congestion, cough, chest tightness, wheezing, and shortness of breath. Non-IgE-mediated allergies may present with symptoms like gastro-oesophageal reflux disease, loose or frequent stools, blood and/or mucus in stools, abdominal pain, infantile colic, food refusal or aversion, constipation, perianal redness, pallor and tiredness, and faltering growth.

      If the history suggests an IgE-mediated allergy, skin prick tests or blood tests for specific IgE antibodies to the suspected foods and likely co-allergens should be offered. On the other hand, if the history suggests a non-IgE-mediated allergy, the suspected allergen should be eliminated for 2-6 weeks and then reintroduced. It is recommended to consult a dietitian with appropriate competencies about nutritional adequacies, timings, and follow-up. By identifying and managing food allergies in children and young people, we can prevent severe allergic reactions and improve their quality of life.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 22 - A 10-year-old girl presents to the Emergency Department after suffering a head injury...

    Correct

    • A 10-year-old girl presents to the Emergency Department after suffering a head injury falling from a tree. She has remained conscious and her Glasgow Coma Score (GCS) has been 15 since the accident. She is not vomiting.
      On examination, there is no focal neurological deficit. An area of bruising is seen behind her left ear and she has a headache. No other injuries are observed.
      What is the most appropriate initial investigation for this patient?

      Your Answer: Computed tomography (CT) head

      Explanation:

      The patient requires a CT head scan within an hour of the accident, as per NICE guidelines. A basal skull fracture, which can be fatal, may be caused by high-impact mechanisms and can present with symptoms such as bruising behind the ear, bruising around the eyes, blood behind the eardrum, or cerebral spinal fluid rhinorrhoea. Optic-nerve entrapment may also occur if the fracture is displaced, leading to changes in vision. Patients are at an increased risk of developing meningitis. An MRI head is not the primary investigation of choice for acute clinically important brain injuries due to safety, logistic, and resource reasons. A lateral cervical spine X-ray may be required for a thorough assessment of the C-spine, but a CT head and neck would be easier to perform if imaging of the neck is necessary. A plain skull X-ray may be used for non-accidental brain injury in children to avoid high-dose radiation from a CT scan, but it should not be used to diagnose brain trauma without consulting a neuroscience unit. If red flags are present, a CT head is necessary to exclude severe intracranial pathology.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 23 - A father brings his 5-year-old daughter to the clinic. Despite not getting the...

    Correct

    • A father brings his 5-year-old daughter to the clinic. Despite not getting the MMR vaccine during the recent scare, he now wants to know if it's still possible to have her immunised due to the current measles outbreak. What should be done in this situation?

      Your Answer: Give MMR with repeat dose in 3 months

      Explanation:

      According to the Green Book, it is recommended to have a 3-month gap between doses for optimal response rate. However, if the child is over 10 years old, a 1-month gap is sufficient. In case of an emergency, such as an outbreak at the child’s school, younger children can have a shorter gap of 1 month.

      The MMR Vaccine: Information on Contraindications and Adverse Effects

      The Measles, Mumps and Rubella (MMR) vaccine is given to children in the UK twice before they enter primary school. The first dose is administered at 12-15 months, while the second dose is given at 3-4 years old. This vaccine is part of the routine immunisation schedule.

      However, there are certain contraindications to the MMR vaccine. Children with severe immunosuppression, allergies to neomycin, or those who have received another live vaccine by injection within four weeks should not receive the MMR vaccine. Pregnant women should also avoid getting vaccinated for at least one month following the MMR vaccine. Additionally, if a child has undergone immunoglobulin therapy within the past three months, there may be no immune response to the measles vaccine if antibodies are present.

      While the MMR vaccine is generally safe, there are some adverse effects that may occur. After the first dose of the vaccine, some children may experience malaise, fever, and rash. These symptoms typically occur after 5-10 days and last for around 2-3 days. It is important to be aware of these potential side effects and to consult with a healthcare professional if any concerns arise.

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      • Paediatrics
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  • Question 24 - A 6-year-old boy is brought to the Emergency Department by his mother with...

    Incorrect

    • A 6-year-old boy is brought to the Emergency Department by his mother with complaints of right iliac fossa pain for the past two days. He has no previous medical history except for a cough and sore throat in the last week. He has had a high fever for the past two days and has lost his appetite but denies any other symptoms.
      On examination, his temperature is 38.9 °C, and his pulse is 130 beats per minute. Bilateral enlarged submandibular and cervical lymph nodes are palpable and slightly tender. Chest examination is clear, with transmitted sounds from the upper airways. Abdominal examination reveals marked tenderness in the right iliac fossa with no guarding.
      Urine dipstick reveals 2+ of ketones and 1+ of protein.
      Blood test results for his full blood count (FBC) are as follows:
      Investigation Result Normal value
      Haemoglobin (Hb) 145 g/l 135–175 g/l
      White cell count (WCC) 14.3 × 109/ 4.0–11.0 × 109/l
      Platelets (PLT) 425 × 109/l 150–400 × 109/l
      What is the most likely clinical diagnosis for this 6-year-old boy?

      Your Answer: Appendicitis

      Correct Answer: Mesenteric adenitis

      Explanation:

      Possible Diagnoses for a Child with Right Iliac Fossa Pain and High Temperature

      When a child presents with right iliac fossa pain and high temperature, several possible diagnoses should be considered. One of them is mesenteric adenitis, which is characterized by abdominal pain resulting from mesenteric lymphadenopathy and often accompanied by enlarged neck nodes and a recent history of viral upper respiratory tract infection. Appendicitis is another possibility, but it tends to present with a low-grade fever and peritoneal irritation that causes involuntary muscle spasm in the abdominal wall. Meckel’s diverticulitis, which is clinically indistinguishable from appendicitis, is an intra-operative or radiological diagnosis and can cause gastrointestinal bleeding, obstruction, inflammation, or umbilical discharge. Retroperitoneal appendix abscess is an uncommon type of infection that presents with fever, back pain, and abdominal pain, but it can also cause other symptoms such as gastrointestinal bleeding, poor wound healing, chest pain, general discomfort, urinary frequency, and haematuria. Finally, urinary tract infection (UTI) is unlikely if there are no nitrites or leukocytes on urine dipstick, but it can cause non-specific symptoms such as vomiting/diarrhoea, mild abdominal pain, dysuria, frequency, and enuresis, especially in infants.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 25 - At what age do most children attain urinary incontinence during the day and...

    Incorrect

    • At what age do most children attain urinary incontinence during the day and at night?

      Your Answer: 4-5 years old

      Correct Answer: 3-4 years old

      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.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 26 - A 3-month-old girl is brought to the morning clinic by her father. Since...

    Correct

    • A 3-month-old girl is brought to the morning clinic by her father. Since yesterday she has been taking reduced feeds and has been 'not her usual self'. On examination the baby appears well but has a low-grade temperature of 38.2ºC. What is the most suitable course of action?

      Your Answer: Admit to hospital

      Explanation:

      The latest NICE guidelines classify any infant under 3 months old with a temperature exceeding 38ºC as a ‘red’ feature, necessitating immediate referral to a paediatrician. While some seasoned GPs may opt not to adhere to this recommendation, it is crucial to stay informed about recent examination guidelines.

      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 infra-red tympanic thermometer.

      The risk stratification table includes green for low risk, amber for intermediate risk, and red for high risk. 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
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  • Question 27 - A father brings his 4-month-old baby who is currently breastfed to your clinic....

    Incorrect

    • A father brings his 4-month-old baby who is currently breastfed to your clinic. He reports that the baby sometimes rejects feeds, frequently vomits, and cries for extended periods after feeds. The baby's weight was at the 50th percentile during birth but has now dropped to the 40th percentile. What advice should you give?

      Your Answer: Topping up with thickened feeds

      Correct Answer: Trial of Gaviscon

      Explanation:

      According to NICE, breastfed infants who experience frequent regurgitation accompanied by significant distress should be given a trial of alginate therapy (such as Gaviscon) after each feed for a period of 1-2 weeks. If symptoms persist, a 4-week trial of a proton pump inhibitor (such as oral omeprazole) or a histamine-2 receptor antagonist (such as oral ranitidine) should be administered. If symptoms continue despite these treatments, it may be necessary to refer the infant to a paediatrician. For bottle-fed infants with reflux, thickened feeds are recommended.

      Understanding Gastro-Oesophageal Reflux in Children

      Gastro-oesophageal reflux is a common cause of vomiting in infants, with around 40% of babies experiencing some degree of regurgitation. However, certain risk factors such as preterm delivery and neurological disorders can increase the likelihood of developing this condition. Symptoms typically appear before 8 weeks of age and include vomiting or regurgitation, milky vomits after feeds, and excessive crying during feeding. Diagnosis is usually made based on clinical observation.

      Management of gastro-oesophageal reflux in children involves advising parents on proper feeding positions, ensuring the infant is not being overfed, and considering a trial of thickened formula or alginate therapy. Proton pump inhibitors are not recommended unless the child is experiencing unexplained feeding difficulties, distressed behavior, or faltering growth. Ranitidine, previously used as an alternative to PPIs, has been withdrawn from the market due to the discovery of carcinogens in some products. Prokinetic agents should only be used with specialist advice.

      Complications of gastro-oesophageal reflux in children include distress, failure to thrive, aspiration, frequent otitis media, and dental erosion in older children. In severe cases where medical treatment is ineffective, fundoplication may be considered. It is important for parents and caregivers to understand the symptoms and management options for gastro-oesophageal reflux in children to ensure the best possible outcomes for their little ones.

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      • Paediatrics
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  • Question 28 - A 9-month-old boy is presented to the GP with a 4-week history of...

    Incorrect

    • A 9-month-old boy is presented to the GP with a 4-week history of rash. He has no significant medical history and is meeting developmental milestones appropriately. He has received all of his scheduled immunizations, has no known allergies, and is feeding and urinating well. Upon examination, there is a symmetrical, poorly defined erythematous rash on his elbows and knees. What is the most probable diagnosis?

      Your Answer: Psoriasis

      Correct Answer: Eczema

      Explanation:

      Atopic eczema commonly appears in children before the age of 2, with symptoms often affecting the face and extensor surfaces of the body. This patient’s visible dermatitis in the extensor aspects of her body suggests a diagnosis of atopic eczema based on clinical presentation. Impetigo, pemphigus vulgaris, and psoriasis are unlikely diagnoses given the patient’s symmetrical dry rash involving the extensor aspects of the limbs.

      Eczema in Children: Symptoms and Management

      Eczema is a common skin condition that affects around 15-20% of children and is becoming more prevalent. It usually appears before the age of 2 and clears up in around 50% of children by the age of 5 and in 75% of children by the age of 10. The symptoms of eczema include an itchy, red rash that can worsen with repeated scratching. In infants, the face and trunk are often affected, while in younger children, it typically occurs on the extensor surfaces. In older children, the rash is more commonly seen on the flexor surfaces and in the creases of the face and neck.

      To manage eczema in children, it is important to avoid irritants and use simple emollients. Large quantities of emollients should be prescribed, roughly in a ratio of 10:1 with topical steroids. If a topical steroid is also being used, the emollient should be applied first, followed by waiting at least 30 minutes before applying the topical steroid. Creams are absorbed into the skin faster than ointments, and emollients can become contaminated with bacteria, so fingers should not be inserted into pots. Many brands have pump dispensers to prevent contamination.

      In severe cases, wet wrapping may be used, which involves applying large amounts of emollient (and sometimes topical steroids) under wet bandages. Oral ciclosporin may also be used in severe cases. Overall, managing eczema in children involves a combination of avoiding irritants, using emollients, and potentially using topical steroids or other medications in severe cases.

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      • Paediatrics
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  • Question 29 - A 30-year-old man is advised on the genetics of Huntington's disease. What is...

    Correct

    • A 30-year-old man is advised on the genetics of Huntington's disease. What is the best explanation for the concept of anticipation?

      Your Answer: Earlier age of onset in successive generations

      Explanation:

      Trinucleotide repeat disorders exhibit earlier onset in successive generations due to anticipation, which is often accompanied by an escalation in symptom severity.

      Trinucleotide repeat disorders are genetic conditions that occur due to an abnormal number of repeats of a repetitive sequence of three nucleotides. These expansions are unstable and can enlarge, leading to an earlier age of onset in successive generations, a phenomenon known as anticipation. In most cases, an increase in the severity of symptoms is also observed. It is important to note that these disorders are predominantly neurological in nature.

      Examples of trinucleotide repeat disorders include Fragile X, Huntington’s, myotonic dystrophy, Friedreich’s ataxia, spinocerebellar ataxia, spinobulbar muscular atrophy, and dentatorubral pallidoluysian atrophy. Friedreich’s ataxia is unique in that it does not demonstrate anticipation.

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      • Paediatrics
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  • Question 30 - A 7-year-old boy comes to the clinic with his father, complaining of a...

    Correct

    • A 7-year-old boy comes to the clinic with his father, complaining of a rash. The father reports that his son has been feeling unwell for approximately 6 days. Three days ago, he noticed some red rash behind his son's ears and it has now spread to his face and body. He also observed some white spots in his son's mouth before the rash appeared. During examination, there is a widespread maculopapular rash with regions of confluence.

      What is the probable diagnosis?

      Your Answer: Measles

      Explanation:

      The symptoms of measles include prodromal symptoms, Koplik spots, and a maculopapular rash that starts behind the ears. Kawasaki’s disease is identified by a fever lasting more than five days, along with conjunctivitis, cervical lymphadenopathy, a strawberry tongue, rash, and desquamation of digits. Chickenpox is characterized by the presence of vesicles, while scarlet fever is identified by a sandpaper rash and a strawberry tongue.

      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.

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      • Paediatrics
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