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Question 1
Incorrect
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A 20 year-old with no notable medical history enrolls at a new GP clinic upon moving to a different city. The clinic checks his immunization records and sends him an invite to get vaccinated. What vaccination should he get if he hasn't received it before?
Your Answer: Influenza
Correct Answer: Men ACWY
Explanation:The Meningitis ACWY vaccine is being gradually introduced and is recommended for all children during their 9th or 10th year of school. Instead of the Men C booster, they should receive this vaccination. The catch-up program is currently targeting individuals under the age of 25 who are starting university for the first time. It is recommended that they receive the vaccine a few weeks before beginning their studies.
The UK immunisation schedule recommends certain vaccines at different ages. At birth, the BCG vaccine is given if the baby is at risk of tuberculosis. At 2, 3, and 4 months, the ‘6-1 vaccine’ (diphtheria, tetanus, whooping cough, polio, Hib and hepatitis B) and oral rotavirus vaccine are given, along with Men B and PCV at certain intervals. At 12-13 months, the Hib/Men C, MMR, and PCV vaccines are given, along with Men B. At 3-4 years, the ‘4-in-1 pre-school booster’ (diphtheria, tetanus, whooping cough and polio) and MMR vaccines are given. At 12-13 years, the HPV vaccination is given, and at 13-18 years, the ‘3-in-1 teenage booster’ (tetanus, diphtheria and polio) and Men ACWY vaccines are given. Additionally, the flu vaccine is recommended annually for children aged 2-8 years.
It is important to note that the meningitis ACWY vaccine has replaced meningitis C for 13-18 year-olds due to an increased incidence of meningitis W disease in recent years. The ACWY vaccine will also be offered to new students (up to the age of 25 years) at university. GP practices will automatically send letters inviting 17-and 18-year-olds in school year 13 to have the Men ACWY vaccine. Students going to university or college for the first time as freshers, including overseas and mature students up to the age of 25, should contact their GP to have the Men ACWY vaccine, ideally before the start of the academic year.
It is worth noting that the Men C vaccine used to be given at 3 months but has now been discontinued. This is because the success of the Men C vaccination programme means there are almost no cases of Men C disease in babies or young children in the UK any longer. All children will continue to be offered the Hib/Men C vaccine at one year of age, and the Men ACWY vaccine at 14 years of age to provide protection across all age groups.
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This question is part of the following fields:
- Paediatrics
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Question 2
Incorrect
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A 6-month-old boy is brought to the emergency department with a 24-hour history of cough and wheeze, following a week of mild fever and coryzal symptoms. The infant appears otherwise healthy and has no significant medical history. Upon respiratory examination, diffuse wheezing is noted. Vital signs reveal:
Respiratory rate 52/min
Blood pressure 92/54 mmHg
Temperature 38.2ºC
Heart rate 120 bpm
Oxygen saturation 96% on room air
What is the most appropriate course of action for managing this infant's symptoms?Your Answer: Nebulised salbutamol
Correct Answer: Supportive management only
Explanation:If the patient’s respiratory distress worsened or their feeding was impacted, they would be admitted. It is important to note that amoxicillin is not effective in treating bronchiolitis, but may be used for uncomplicated community-acquired pneumonia or acute otitis media. Dexamethasone is commonly used for croup, but this diagnosis is unlikely as the patient does not have a barking cough, hoarse voice, or inspiratory stridor. Inhaled racemic adrenaline is also used for croup. Nebulised salbutamol is not necessary for this patient as they are stable and require only supportive management.
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 3
Correct
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A 6-year-old boy is brought to his General Practitioner by his mother, who reports that he has been feeling tired and has developed mouth sores. Additionally, he has bruises on his knees and palms. A bone marrow aspirate reveals a hypocellular image.
What is the most probable diagnosis?
Your Answer: Aplastic anaemia
Explanation:Differential Diagnosis for a Patient with Hypocellular Bone Marrow and Thrombocytopenia
Aplastic anaemia is a condition characterized by bone marrow failure, resulting in peripheral pancytopenia and bone-marrow hypoplasia. This leads to a deficiency in the production of red blood cells, causing anaemia, and a reduced production of white blood cells, leading to immunodeficiency. Patients may experience symptoms such as shortness of breath, lethargy, pallor, mouth ulcers, and increased frequency of infections. The reduced production of platelets causes easy bruising.
Idiopathic thrombocytopenic purpura (ITP) is a condition characterized by an isolated reduction in platelets with normal bone marrow, in the absence of another identifiable cause. Patients may present with abnormal bleeding and bruising, petechiae, and purpura.
Haemophilia A is an X-linked-recessive condition causing a deficiency in clotting factor VIII, leading to easy bruising, prolonged bleeding after injury, or spontaneous bleeding in severe cases.
Infectious mononucleosis is the result of Epstein–Barr virus infection, characterized by fever, pharyngitis, lymphadenopathy, and a macular or maculopapular rash.
Autoimmune neutropenia is associated with opportunistic infections, most commonly otitis media. However, this condition would not account for the thrombocytopenia observed in this patient.
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This question is part of the following fields:
- Paediatrics
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Question 4
Correct
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A 5-year-old girl comes to the GP with her father. He is concerned that she is not growing as well as her classmates. The father reports that the child experiences foul-smelling diarrhoea about 3-4 times a week and complains of abdominal pain.
During the examination, the girl has a distended belly and thin buttocks. She has fallen 3 centile lines and now falls on the 15th centile.
What would be the most suitable first test to perform?Your Answer: IgA TTG antibodies
Explanation:The most probable diagnosis in this case is coeliac disease, which can be confirmed by testing for IgA TTG antibodies. To determine the appropriate antibiotic, a stool sample would be necessary to diagnose gastroenteritis. The hydrogen breath test is typically used to diagnose irritable bowel syndrome or certain food intolerances. Endoscopy is more frequently used in adults who are suspected of having cancer. An abdominal X-ray may be beneficial in cases where obstruction is suspected. Coeliac disease is a digestive disorder that is becoming more prevalent and is characterized by an adverse reaction to gluten, a protein found in wheat, barley, and rye.
Coeliac Disease in Children: Causes, Symptoms, and Diagnosis
Coeliac disease is a condition that affects children and is caused by sensitivity to gluten, a protein found in cereals. This sensitivity leads to villous atrophy, which causes malabsorption. Children usually present with symptoms before the age of 3, coinciding with the introduction of cereals into their diet. The incidence of coeliac disease is around 1 in 100 and is strongly associated with HLA-DQ2 and HLA-DQ8. Symptoms of coeliac disease include failure to thrive, diarrhoea, abdominal distension, and anaemia in older children. However, many cases are not diagnosed until adulthood.
Diagnosis of coeliac disease involves a jejunal biopsy showing subtotal villous atrophy. Screening tests such as anti-endomysial and anti-gliadin antibodies are also useful. Duodenal biopsies can show complete atrophy of the villi with flat mucosa and marked crypt hyperplasia, as well as dense mixed inflammatory infiltrate in the lamina propria. Increased number of intraepithelial lymphocytes and vacuolated superficial epithelial cells can also be observed.
In summary, coeliac disease is a condition that affects children and is caused by sensitivity to gluten. It is important to be aware of the symptoms and to seek medical attention if necessary. Diagnosis involves a biopsy and screening tests, and treatment involves a gluten-free diet.
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This question is part of the following fields:
- Paediatrics
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Question 5
Incorrect
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A 65 year-old man with haemophilia A has just become a great-grandfather. He is curious about the likelihood of his great-grandson inheriting haemophilia. His granddaughter's partner is healthy and has no medical history.
What is the probability of his great-grandson having haemophilia A?Your Answer: No increased risk
Correct Answer: 50%
Explanation:Understanding X-Linked Recessive Inheritance
X-linked recessive inheritance is a genetic pattern where only males are affected, except in rare cases such as Turner’s syndrome. This type of inheritance is transmitted by heterozygote females, who are carriers of the gene mutation. Male-to-male transmission is not observed in X-linked recessive disorders. Affected males can only have unaffected sons and carrier daughters.
If a female carrier has children, each male child has a 50% chance of being affected, while each female child has a 50% chance of being a carrier. It is important to note that the possibility of an affected father having children with a heterozygous female carrier is generally rare. However, in some Afro-Caribbean communities, G6PD deficiency is relatively common, and homozygous females with clinical manifestations of the enzyme defect are observed.
In summary, X-linked recessive inheritance is a genetic pattern that affects only males and is transmitted by female carriers. Understanding this pattern is crucial in predicting the likelihood of passing on genetic disorders to future generations.
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This question is part of the following fields:
- Paediatrics
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Question 6
Correct
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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.
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This question is part of the following fields:
- Paediatrics
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Question 7
Incorrect
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A 35-year-old woman with a 4-month-old baby expresses concern that her friend's baby had a hip ultrasound but her own child has not. You inform her that hip ultrasounds are only offered to babies with certain risk factors for hip dysplasia.
What is one of the risk factors for hip dysplasia?Your Answer: Forceps delivery
Correct Answer: Breech presentation
Explanation:Developmental dysplasia of the hip (DDH) is more likely to occur in newborns who were in a breech presentation during pregnancy, as well as those with a family history of hip problems in early life. To screen for DDH, ultrasound is performed at 6 weeks of age for infants with these risk factors. Additionally, infants who test positive for the Barlow or Ortolani test are also sent for a hip ultrasound to check for DDH.
Developmental dysplasia of the hip (DDH) is a condition that affects 1-3% of newborns and is more common in females, firstborn children, and those with a positive family history or breech presentation. It used to be called congenital dislocation of the hip (CDH). DDH is more often found in the left hip and can be bilateral in 20% of cases. Screening for DDH is recommended for infants with certain risk factors, and all infants are screened using the Barlow and Ortolani tests at the newborn and six-week baby check. Clinical examination includes testing for leg length symmetry, restricted hip abduction, and knee level when hips and knees are flexed. Ultrasound is used to confirm the diagnosis if clinically suspected, but x-ray is the first line investigation for infants over 4.5 months. Management includes the use of a Pavlik harness for children under 4-5 months and surgery for older children with unstable hips.
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This question is part of the following fields:
- Paediatrics
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Question 8
Correct
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You are seeing a 5-year-old boy in your clinic who has a history of multiple wheezy episodes over the past 4 years and was diagnosed with asthma. He was admitted to the hospital 5 months ago with shortness-of-breath and wheeze and was diagnosed with a viral exacerbation of asthma. The paediatric team prescribed him a Clenil (beclometasone dipropionate) inhaler 50mcg bd and salbutamol 100mcg prn via a spacer before his discharge. His mother reports that he has a persistent night-time cough and is regularly using his salbutamol inhaler. On clinical examination, his chest appears normal. What would be the most appropriate next step in managing this patient?
Your Answer: Add a leukotriene receptor antagonist
Explanation: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 9
Correct
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What is a risk factor for the development of surfactant deficient lung disease in a neonate?
Your Answer: Maternal diabetes mellitus
Explanation:Surfactant Deficient Lung Disease in Premature Infants
Surfactant deficient lung disease (SDLD), previously known as hyaline membrane disease, is a condition that affects premature infants. It occurs due to the underproduction of surfactant and the immaturity of the lungs’ structure. The risk of SDLD decreases with gestation, with 50% of infants born at 26-28 weeks and 25% of infants born at 30-31 weeks being affected. Other risk factors include male sex, diabetic mothers, Caesarean section, and being the second born of premature twins.
The clinical features of SDLD are similar to those of respiratory distress in newborns, including tachypnea, intercostal recession, expiratory grunting, and cyanosis. Chest x-rays typically show a ground-glass appearance with an indistinct heart border.
Prevention during pregnancy involves administering maternal corticosteroids to induce fetal lung maturation. Management of SDLD includes oxygen therapy, assisted ventilation, and exogenous surfactant given via an endotracheal tube. With proper management, the prognosis for infants with SDLD is generally good.
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This question is part of the following fields:
- Paediatrics
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Question 10
Correct
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A 6-year-old girl is brought to the clinic by her mother due to complaints of itching around her vulva and anus for the past 3 days. Upon examination, the area appears red and the skin on her vulva is broken from excessive scratching. Her mother has been applying sudocrem but it has not provided relief. There are no other individuals at home with similar symptoms. Based on the probable diagnosis, what is the most suitable course of action?
Your Answer: Prescribe a single dose of mebendazole for the household and give hygiene advice
Explanation:The recommended first line treatment for threadworm is mebendazole. In this case, as the patient is showing symptoms of threadworm, it is important to treat all members of the household with a single dose of mebendazole and provide hygiene advice. While a ‘Scotch tape test’ can be used to confirm the presence of eggs or worms, treatment is often based on symptoms. It is not appropriate to only treat the daughter and provide hygiene advice, as other members of the household may also be infected. Additionally, prescribing 7 days of mebendazole for the daughter alone is incorrect, as a single dose is recommended and a second dose should be taken 14 days later. Piperazine is only recommended for children under 2 years old, so it is not appropriate to prescribe 14 days of piperazine for the daughter in this case.
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.
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This question is part of the following fields:
- Paediatrics
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Question 11
Incorrect
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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:
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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This question is part of the following fields:
- Paediatrics
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Question 12
Incorrect
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A 9-month-old girl is presented to the clinic. About 5 days ago, she became feverish after being fussy the day before. The fever subsided after approximately 3 days, but she developed a rash afterwards, which prompted her mother to bring her to the clinic. She is consuming about 80% of her usual feeds, has wet nappies, and has had three instances of loose stools. On examination, she is alert, has a temperature of 37.2ºC, and has clear lungs and unremarkable ears/throat. There are several blanching, rose pink macules on her trunk. What is the most probable diagnosis?
Your Answer:
Correct Answer: Roseola infantum
Explanation:Roseola infantum is a condition characterized by the occurrence of a fever, which is later followed by the appearance of a rash.
Understanding Roseola Infantum
Roseola infantum, also known as exanthem subitum or sixth disease, is a common illness that affects infants and is caused by the human herpes virus 6 (HHV6). This disease has an incubation period of 5-15 days and is typically seen in children aged 6 months to 2 years. The most common symptoms of roseola infantum include a high fever that lasts for a few days, followed by a maculopapular rash. Other symptoms may include Nagayama spots, which are papular enanthems on the uvula and soft palate, as well as cough and diarrhea.
In some cases, febrile convulsions may occur in around 10-15% of children with roseola infantum. While this can be concerning for parents, it is important to note that this is a common occurrence and typically resolves on its own. Additionally, HHV6 infection can lead to other possible consequences such as aseptic meningitis and hepatitis.
It is important to note that school exclusion is not necessary for children with roseola infantum. While this illness can be uncomfortable for infants, it is typically not serious and resolves on its own within a few days.
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This question is part of the following fields:
- Paediatrics
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Question 13
Incorrect
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A boy of 7 presents with a unilateral painless limp. Examination shows limitation of rotation and extension at the affected hip joint, and a radiograph shows a dense flattened and fragmented femoral head on the affected side.
Which of the following is the most likely diagnosis?
Your Answer:
Correct Answer: Perthes' disease
Explanation:Perthes’ Disease: Avascular Necrosis of the Proximal Femoral Head in Children
Perthes’ disease is a condition that results from avascular necrosis of the proximal femoral head, which is caused by a compromised blood supply. It typically affects children aged 4-10, with boys being affected more frequently than girls. The disease presents with a painless limp and limited range of motion of the affected hip, followed by hip pain as necrosis develops.
The diagnosis of Perthes’ disease is suspected clinically, and radiographs may be normal initially or show only a non-specific effusion. As the condition progresses, the joint space between the ossified femoral head and acetabulum widens, and narrowing or collapse of the femoral head causes it to appear widened and flattened. Eventually, femoral head collapse may ensue.
Other conditions that may present similarly to Perthes’ disease include slipped upper femoral epiphysis, septic arthritis, juvenile rheumatoid arthritis, and congenital dislocation of the hip. However, each of these conditions has its own unique features and diagnostic criteria.
Overall, Perthes’ disease is a generalised disorder of cartilage development that predisposes children to repeated episodes of infarction in the proximal femoral epiphysis. The most significant factors determining prognosis are onset in the older child, epiphyseal protrusion, extensive involvement of the epiphysis, and arrest of subcapital growth.
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This question is part of the following fields:
- Paediatrics
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Question 14
Incorrect
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A 9-year-old boy with a history of asthma is being evaluated. He is currently receiving treatment with a salbutamol inhaler as needed and beclometasone inhaler 100mcg twice daily. However, he frequently requires salbutamol for exacerbations and experiences a nighttime cough.
In accordance with NICE recommendations, what is the most suitable course of action for further management?Your Answer:
Correct Answer: Trial of a leukotriene receptor antagonist
Explanation:For children between the ages of 5 and 16 who have asthma that is not being controlled by a combination of a short-acting beta agonist (SABA) and a low-dose inhaled corticosteroid (ICS), it is recommended to add a leukotriene receptor antagonist 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 15
Incorrect
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A 3-year-old boy is taken to his pediatrician by his father due to constant scratching of his bottom at night. The father reports observing some unusual white particles when cleaning his son's bottom after a bowel movement. What would be the best course of action for management?
Your Answer:
Correct Answer: Prescribe a single dose of mebendazole for the whole household and issue hygiene advice.
Explanation: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.
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This question is part of the following fields:
- Paediatrics
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Question 16
Incorrect
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As a foundation doctor on the neonatal ward, you consult with your supervisor regarding a patient who is five days old and displaying symptoms of cyanosis, tachypnoea, and weak peripheral pulses. Your suspicion is that the patient has a duct dependent cardiac lesion. Once this is confirmed, what would be the most suitable course of treatment?
Your Answer:
Correct Answer: Prostaglandins
Explanation:Prostaglandins can maintain the patency of a patent ductus arteriosus, which can be beneficial in cases of duct dependent cardiac lesions such as tetralogy of Fallot, Ebstein’s anomaly, pulmonary atresia, and pulmonary stenosis. These conditions may be diagnosed before birth or present with symptoms such as cyanosis, tachypnea, and weak peripheral pulses at birth. While surgery is often the definitive treatment, keeping the duct open with prostaglandins can provide time for appropriate management planning. Aspirin is not recommended for children due to the risk of Reyes syndrome, which can cause liver and brain edema and be fatal. Indomethacin and other medications may also be used to close the duct.
Patent ductus arteriosus is a type of congenital heart defect that is typically classified as ‘acyanotic’. However, if left untreated, it can eventually lead to late cyanosis in the lower extremities, which is known as differential cyanosis. This condition is caused by a connection between the pulmonary trunk and descending aorta that fails to close with the first breaths due to increased pulmonary flow that enhances prostaglandins clearance. Patent ductus arteriosus is more common in premature babies, those born at high altitude, or those whose mothers had rubella infection during the first trimester of pregnancy.
The features of patent ductus arteriosus include a left subclavicular thrill, a continuous ‘machinery’ murmur, a large volume, bounding, collapsing pulse, a wide pulse pressure, and a heaving apex beat. To manage this condition, indomethacin or ibuprofen is given to the neonate, which inhibits prostaglandin synthesis and closes the connection in the majority of cases. If patent ductus arteriosus is associated with another congenital heart defect that is amenable to surgery, then prostaglandin E1 is useful to keep the duct open until after surgical repair.
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This question is part of the following fields:
- Paediatrics
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Question 17
Incorrect
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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:
Correct 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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This question is part of the following fields:
- Paediatrics
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Question 18
Incorrect
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You are requested to assess a premature infant born at 34 weeks, 48 hours after delivery without any complications. During the examination, you observe a continuous 'machinery-like' murmur and a left subclavicular thrill. Additionally, you notice a bounding pulse and a widened pulse pressure. There are no indications of cyanosis or crackles on auscultation. The mother confirms that there were no complications during pregnancy, and antenatal scans and screening did not reveal any abnormalities. There is no family history of significant illnesses. What would be the most appropriate management option for this probable diagnosis?
Your Answer:
Correct Answer: Give indomethacin to the neonate
Explanation:To promote closure of patent ductus arteriosus (PDA), indomethacin or ibuprofen is administered to the neonate. This is the correct course of action based on the examination findings. The ductus arteriosus typically closes naturally with the first breaths, but if it remains open, prostaglandin synthesis can be inhibited with medication. Administering indomethacin to the mother would not be effective. Prostaglandin would have the opposite effect and maintain the PDA’s patency, which is not desirable in this scenario. Involving surgeons or monitoring the baby without treatment would also not be appropriate. If left untreated, PDA can lead to serious complications such as pulmonary hypertension or Eisenmenger’s syndrome.
Patent ductus arteriosus is a type of congenital heart defect that is typically classified as ‘acyanotic’. However, if left untreated, it can eventually lead to late cyanosis in the lower extremities, which is known as differential cyanosis. This condition is caused by a connection between the pulmonary trunk and descending aorta that fails to close with the first breaths due to increased pulmonary flow that enhances prostaglandins clearance. Patent ductus arteriosus is more common in premature babies, those born at high altitude, or those whose mothers had rubella infection during the first trimester of pregnancy.
The features of patent ductus arteriosus include a left subclavicular thrill, a continuous ‘machinery’ murmur, a large volume, bounding, collapsing pulse, a wide pulse pressure, and a heaving apex beat. To manage this condition, indomethacin or ibuprofen is given to the neonate, which inhibits prostaglandin synthesis and closes the connection in the majority of cases. If patent ductus arteriosus is associated with another congenital heart defect that is amenable to surgery, then prostaglandin E1 is useful to keep the duct open until after surgical repair.
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This question is part of the following fields:
- Paediatrics
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Question 19
Incorrect
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A mother brings her 14-year-old daughter to the general practice with concerns about her delayed onset of periods. During the examination, the daughter is found to be in the 9th percentile for her age in terms of height, has short ring fingers, poor breast development, and a high arched palate. While listening to her heart, a crescendo-decrescendo murmur is heard on the upper right sternal border that radiates to the carotids. What is the probable cause of this murmur?
Your Answer:
Correct Answer: Bicuspid valve
Explanation:A 16-year-old girl presents with symptoms of shortness of breath, chest pain, and fatigue. Upon examination, a heart murmur is detected in the aortic region, which is described as a crescendo-decrescendo murmur. The possible causes of this murmur are considered, including aortic stenosis, aortic valve calcification, rheumatic heart disease, and Tetralogy of Fallot. However, based on the patient’s age and symptoms, aortic stenosis is the most likely diagnosis.
Understanding Turner’s Syndrome
Turner’s syndrome is a genetic disorder that affects approximately 1 in 2,500 females. It is caused by the absence of one sex chromosome (X) or a deletion of the short arm of one of the X chromosomes. This condition is denoted as 45,XO or 45,X.
The features of Turner’s syndrome include short stature, a shield chest with widely spaced nipples, a webbed neck, a bicuspid aortic valve (15%), coarctation of the aorta (5-10%), primary amenorrhea, cystic hygroma (often diagnosed prenatally), a high-arched palate, a short fourth metacarpal, multiple pigmented naevi, lymphoedema in neonates (especially feet), and elevated gonadotrophin levels. Hypothyroidism is much more common in Turner’s syndrome, and there is also an increased incidence of autoimmune disease (especially autoimmune thyroiditis) and Crohn’s disease.
In summary, Turner’s syndrome is a chromosomal disorder that affects females and can cause a range of physical features and health issues. Early diagnosis and management can help individuals with Turner’s syndrome lead healthy and fulfilling lives.
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This question is part of the following fields:
- Paediatrics
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Question 20
Incorrect
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During a routine check-up, a 7 week-old baby boy is seen. His mother has a history of asthma and used inhaled steroids while pregnant. He was delivered via planned Caesarian at 39 weeks due to breech presentation and weighed 3.1kg at birth. What condition is he at a higher risk for?
Your Answer:
Correct Answer: Developmental dysplasia of the hip
Explanation:If a baby was in a breech presentation, it is important to ensure that they have been referred for screening for developmental dysplasia of the hip (DDH) as it is a risk factor for this condition. The Department of Health recommends that all babies who were breech at any point from 36 weeks (even if not breech at birth), babies born before 36 weeks who were in a breech presentation, and all babies with a first degree relative who had a hip problem in early life, should undergo ultrasound screening for hip dysplasia. If one twin was breech, both should be screened. Some hospitals also refer babies with other conditions such as oligohydramnios, high birth weight, torticollis, congenital talipes calcaneovalgus, and metatarsus adductus for screening. For more information on screening for DDH, please refer to the link provided.
Developmental dysplasia of the hip (DDH) is a condition that affects 1-3% of newborns and is more common in females, firstborn children, and those with a positive family history or breech presentation. It used to be called congenital dislocation of the hip (CDH). DDH is more often found in the left hip and can be bilateral in 20% of cases. Screening for DDH is recommended for infants with certain risk factors, and all infants are screened using the Barlow and Ortolani tests at the newborn and six-week baby check. Clinical examination includes testing for leg length symmetry, restricted hip abduction, and knee level when hips and knees are flexed. Ultrasound is used to confirm the diagnosis if clinically suspected, but x-ray is the first line investigation for infants over 4.5 months. Management includes the use of a Pavlik harness for children under 4-5 months and surgery for older children with unstable hips.
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This question is part of the following fields:
- Paediatrics
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