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Question 1
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A 6-year-old girl is brought to your clinic by her father. She has a history of asthma and has been using salbutamol as needed. However, her father reports that her symptoms have become more severe lately, with a persistent nighttime cough that disrupts her sleep and affects her performance during physical activities at school. Upon examination, there are no notable findings. What is your recommended course of action?
Your Answer: Add an inhaled steroid
Explanation:As per current clinical practice, the child is not using an inhaled corticosteroid. However, the 2016 British Thoracic Society guidelines suggest that all children and adults should be prescribed an inhaled corticosteroid upon diagnosis. The previous approach of using only a short-acting beta agonist as the initial step has been eliminated. Therefore, the best course of action would be to introduce a ‘very low’ dose inhaled corticosteroid.
Managing Asthma in Children: NICE Guidelines
Asthma management in children has been updated by NICE in 2017, following the 2016 BTS guidelines. The new guidelines for children aged 5-16 are similar to those for adults, with a stepwise approach for treatment. For newly-diagnosed asthma, short-acting beta agonist (SABA) is recommended. If symptoms persist, a combination of SABA and paediatric low-dose inhaled corticosteroid (ICS) is used. Leukotriene receptor antagonist (LTRA) is added if symptoms still persist, followed by long-acting beta agonist (LABA) if necessary. Maintenance and reliever therapy (MART) is used as a combination of ICS and LABA for daily maintenance therapy and symptom relief. For children under 5 years old, clinical judgement plays a greater role in diagnosis. The stepwise approach is similar to that for older children, with an 8-week trial of paediatric moderate-dose ICS before adding LTRA. If symptoms persist, referral to a paediatric asthma specialist is recommended.
It should be noted that NICE does not recommend changing treatment for well-controlled asthma patients simply to adhere to the latest guidelines. The definitions of low, moderate, and high-dose ICS have also changed, with different definitions for adults and children. For children, <= 200 micrograms budesonide or equivalent is considered a paediatric low dose, 200-400 micrograms is a moderate dose, and > 400 micrograms is a high dose. Overall, the new NICE guidelines provide a clear and concise approach to managing asthma in children.
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This question is part of the following fields:
- Paediatrics
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Question 2
Correct
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A three-year-old child with uncontrolled asthma visits the GP clinic with his mother as his asthma exacerbations are becoming more frequent. The child is currently using a salbutamol inhaler as needed and a beclometasone inhaler 200mcg/day with a spacer, and his inhaler technique is good. What is the most appropriate course of action for his management?
Your Answer: Add in a leukotriene receptor antagonist
Explanation:If a child under the age of 5 has asthma that is not being controlled by a short-acting beta agonist (SABA) and a low dose of inhaled corticosteroids (ICS), then a leukotriene receptor antagonist should be added to their asthma management plan.
Managing Asthma in Children: NICE Guidelines
Asthma management in children has been updated by NICE in 2017, following the 2016 BTS guidelines. The new guidelines for children aged 5-16 are similar to those for adults, with a stepwise approach for treatment. For newly-diagnosed asthma, short-acting beta agonist (SABA) is recommended. If symptoms persist, a combination of SABA and paediatric low-dose inhaled corticosteroid (ICS) is used. Leukotriene receptor antagonist (LTRA) is added if symptoms still persist, followed by long-acting beta agonist (LABA) if necessary. Maintenance and reliever therapy (MART) is used as a combination of ICS and LABA for daily maintenance therapy and symptom relief. For children under 5 years old, clinical judgement plays a greater role in diagnosis. The stepwise approach is similar to that for older children, with an 8-week trial of paediatric moderate-dose ICS before adding LTRA. If symptoms persist, referral to a paediatric asthma specialist is recommended.
It should be noted that NICE does not recommend changing treatment for well-controlled asthma patients simply to adhere to the latest guidelines. The definitions of low, moderate, and high-dose ICS have also changed, with different definitions for adults and children. For children, <= 200 micrograms budesonide or equivalent is considered a paediatric low dose, 200-400 micrograms is a moderate dose, and > 400 micrograms is a high dose. Overall, the new NICE guidelines provide a clear and concise approach to managing asthma in children.
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This question is part of the following fields:
- Paediatrics
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Question 3
Correct
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A 6-year-old girl presents to the emergency department with a 5-day history of fever and lethargy. She has no significant medical history and is up to date with her childhood vaccinations.
During the examination, the girl appears drowsy and has a temperature of 39.2ºC. Her heart rate is 155 beats/min and respiratory rate is 46 breaths/min. She has a maculopapular rash on her torso and upper limbs, and her lips are cracked and erythematous. Additionally, her conjunctivae are inflamed. Kernig's sign is negative.
What is the most appropriate management for this patient, given the likely diagnosis?Your Answer: Aspirin
Explanation:High-dose aspirin therapy is the recommended treatment for Kawasaki disease, despite it typically being contraindicated in children.
Aspirin is the appropriate treatment for this patient’s diagnosis of Kawasaki disease, as evidenced by their persistent fever, conjunctivitis, maculopapular rash, and cracked and erythematous lips. This disease is vasculitic in nature, and current guidelines advise the use of high-dose aspirin therapy as the initial treatment.
Intravenous aciclovir is not indicated for Kawasaki disease, as it is used to treat viral conditions such as viral meningitis or encephalitis.
Intravenous ceftriaxone is not appropriate for the treatment of Kawasaki disease, as it is reserved for significant bacterial infections like Neisseria meningitidis. Additionally, the negative Kernig’s sign makes meningitis less likely.
Oral phenoxymethylpenicillin is not the recommended treatment for Kawasaki disease, as the mucosal changes and conjunctivitis are more indicative of this disease rather than scarlet fever, which is treated with oral phenoxymethylpenicillin.
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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This question is part of the following fields:
- Paediatrics
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Question 4
Correct
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Which one of the following drugs is safe to use while breastfeeding?
Your Answer: Ceftriaxone
Explanation:The use of cephalosporins during breastfeeding is deemed to be safe.
Breastfeeding has some contraindications that are important to know, especially when it comes to drugs. Antibiotics like penicillins, cephalosporins, and trimethoprim are safe for breastfeeding mothers, as are endocrine drugs like glucocorticoids (in low doses) and levothyroxine. Epilepsy drugs like sodium valproate and carbamazepine, asthma drugs like salbutamol and theophyllines, and hypertension drugs like beta-blockers and hydralazine are also safe. Anticoagulants like warfarin and heparin, as well as digoxin, are also safe. However, some drugs should be avoided, such as antibiotics like ciprofloxacin, tetracycline, chloramphenicol, and sulphonamides, psychiatric drugs like lithium and benzodiazepines, aspirin, carbimazole, methotrexate, sulfonylureas, cytotoxic drugs, and amiodarone. Other contraindications include galactosaemia and viral infections, although the latter is controversial in the developing world due to the increased risk of infant mortality and morbidity associated with bottle feeding.
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This question is part of the following fields:
- Paediatrics
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Question 5
Correct
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A newly born infant is diagnosed with gastroschisis and has exposed bowel. The mother is concerned about potential complications besides fluid loss.
Your 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.
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This question is part of the following fields:
- Paediatrics
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Question 6
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A mother brings her 10-month-old child to surgery, worried that he is not meeting developmental milestones compared to her friends' children. Upon observation, the child is able to sit without support but shows minimal interest in exploring his surroundings. He has a basic pincer grip, seems hesitant to engage with others, and only says mama. How would you describe his developmental progress?
Your Answer: Normal development
Explanation:Common Developmental Problems and Possible Causes
Developmental problems can manifest in various ways, including referral points such as not smiling at 10 weeks, inability to sit unsupported at 12 months, and failure to walk at 18 months. Fine motor skill problems may also arise, such as abnormal hand preference before 12 months, which could indicate cerebral palsy. Gross motor problems are often caused by a variant of normal, cerebral palsy, or neuromuscular disorders like Duchenne muscular dystrophy. Speech and language problems should always be checked for hearing issues, as they can also be caused by environmental deprivation or general development delay.
It is important to recognize these developmental problems early on and seek appropriate interventions to address them. By doing so, children can receive the necessary support to reach their full potential and overcome any challenges they may face. With proper care and attention, many children with developmental problems can go on to lead happy and fulfilling lives.
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This question is part of the following fields:
- Paediatrics
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Question 7
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You encounter the mother of a 9-month-old baby who was born premature (at 30 weeks) and has recently been discharged from hospital after being admitted for 'breathing difficulties'. During the hospital stay, the baby received an injection called palivizumab, but the mother cannot remember the purpose of this medication. Can you explain the medication and its indication?
Your Answer: Monoclonal antibody used to prevent respiratory syncytial virus (RSV)
Explanation:To prevent respiratory syncytial virus (RSV) in children who are at a higher risk of severe disease, palivizumab, a monoclonal antibody, is administered. Infants who are premature, have lung or heart abnormalities, or are immunocompromised are among those at risk of developing RSV.
Bronchiolitis is a condition where the bronchioles become inflamed, and it is most commonly caused by respiratory syncytial virus (RSV). This virus is responsible for 75-80% of cases, with other causes including mycoplasma and adenoviruses. Bronchiolitis is most prevalent in infants under one year old, with 90% of cases occurring in those aged 1-9 months. The condition is more serious in premature babies, those with congenital heart disease or cystic fibrosis. Symptoms include coryzal symptoms, dry cough, increasing breathlessness, and wheezing. Hospital admission is often necessary due to feeding difficulties associated with increasing dyspnoea.
Immediate referral is recommended if the child has apnoea, looks seriously unwell, has severe respiratory distress, central cyanosis, or persistent oxygen saturation of less than 92% when breathing air. Clinicians should consider referral if the child has a respiratory rate of over 60 breaths/minute, difficulty with breastfeeding or inadequate oral fluid intake, or clinical dehydration. Immunofluorescence of nasopharyngeal secretions may show RSV, and management is largely supportive. Humidified oxygen is given via a head box if oxygen saturations are persistently low, and nasogastric feeding may be necessary if children cannot take enough fluid/feed by mouth. Suction may also be used for excessive upper airway secretions. NICE released guidelines on bronchiolitis in 2015 for more information.
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This question is part of the following fields:
- Paediatrics
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Question 8
Correct
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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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This question is part of the following fields:
- Paediatrics
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Question 9
Correct
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A 6-month-old girl has been brought in to the Emergency Department after an episode of rectal bleeding. Her parents tell you that she appears to be suffering from abdominal pain since this morning, drawing her legs up into the fetal position, and has eaten very little, which is unlike her. She vomited about three times and then passed bloody stools. When you ask for further details, the parents tell you that the stool was jelly-like red and very slimy. The parents started weaning the child one month ago and only give her baby food.
On examination, the child has right lower abdominal tenderness and her mucous membranes look dehydrated. Her capillary refill time is four seconds and you can vaguely feel some sort of mass in her right lower abdomen.
What is the most likely diagnosis?Your Answer: Intussusception
Explanation:Common Gastrointestinal Disorders in Toddlers
Intussusception is a common gastrointestinal disorder in toddlers, typically affecting those aged 9-12 months. Symptoms include slimy or jelly-like red stools, abdominal pain, and a palpable mass or fullness. Diagnosis is made through ultrasound imaging and treatment usually involves an enema, although surgery may be necessary in complicated cases.
Pyloric stenosis is another disorder that can occur in the first few weeks of a baby’s life. It causes forceful projectile vomiting immediately after feeds and is diagnosed through ultrasound imaging. Treatment involves surgery with a pyloromyotomy.
Campylobacter-related gastroenteritis is rare in toddlers, especially considering that they typically only consume baby food.
Colorectal cancer is almost unheard of in this age group.
Hirschsprung’s disease is a congenital disorder that causes bowel obstruction, resulting in vomiting and failure to pass stools. It is typically diagnosed through a rectal biopsy and treated with surgical removal of the affected part of the bowel.
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This question is part of the following fields:
- Paediatrics
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Question 10
Incorrect
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A 16-year-old complains of left knee pain that has been present for the last 4 weeks. No injury history is reported. The pain is located in the front of the joint and is aggravated when ascending or descending stairs. Physical examination reveals no significant findings. What is the probable diagnosis?
Your Answer: Osteochondritis dissecans
Correct Answer: Chondromalacia patellae
Explanation:Common Knee Problems in Children and Young Adults
Knee problems are common in children and young adults, especially those who are active in sports.
Chondromalacia patellae is a condition that is more common in teenage girls. It is characterized by the softening of the cartilage of the patella, which can cause anterior knee pain when walking up and down stairs or rising from prolonged sitting. This condition usually responds well to physiotherapy.Osgood-Schlatter disease, also known as tibial apophysitis, is often seen in sporty teenagers. It causes pain, tenderness, and swelling over the tibial tubercle.
Osteochondritis dissecans can cause pain after exercise, as well as intermittent swelling and locking of the knee.
Patellar subluxation can cause medial knee pain due to lateral subluxation of the patella. The knee may also give way.
Patellar tendonitis is more common in athletic teenage boys. It causes chronic anterior knee pain that worsens after running. On examination, the area below the patella is tender. It is important to note that referred pain may come from hip problems such as slipped upper femoral epiphysis.
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This question is part of the following fields:
- Paediatrics
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