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Question 1
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As a junior doctor on the neonatal ward, you are called to a forceps delivery. During the delivery, the midwives notice shoulder dystocia in a newborn. What is the initial management approach for shoulder dystocia in a neonate?
Your Answer: McRoberts manoeuvre (hyperflexion of the legs)
Explanation:The McRoberts maneuver involves hyperflexing the legs.
Shoulder dystocia is a complication that can occur during vaginal delivery when the body of the fetus cannot be delivered after the head has already been delivered. This is usually due to the anterior shoulder of the fetus becoming stuck on the mother’s pubic bone. Shoulder dystocia can cause harm to both the mother and the fetus. Risk factors for shoulder dystocia include fetal macrosomia, high maternal body mass index, diabetes mellitus, and prolonged labor.
If shoulder dystocia is identified, it is important to call for senior help immediately. The McRoberts’ maneuver is often performed, which involves flexing and abducting the mother’s hips to increase the angle of the pelvis and facilitate delivery. An episiotomy may be performed to provide better access for internal maneuvers, but it will not relieve the bony obstruction. Symphysiotomy and the Zavanelli maneuver are not recommended as they can cause significant maternal morbidity. Oxytocin administration is not indicated for shoulder dystocia.
Complications of shoulder dystocia can include postpartum hemorrhage and perineal tears for the mother, and brachial plexus injury and neonatal death for the fetus. It is important to manage shoulder dystocia promptly and appropriately to minimize the risk of these complications.
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This question is part of the following fields:
- Paediatrics
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Question 2
Correct
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Which of the following is the least acknowledged complication of measles infection?
Your Answer: Infertility
Explanation:Measles: A Highly Infectious Viral Disease
Measles is a viral disease caused by an RNA paramyxovirus. It is one of the most infectious known viruses and is spread through aerosol transmission. The disease has an incubation period of 10-14 days and is infective from the prodromal phase until four days after the rash starts. Measles is now rare in developed countries due to immunization programs, but outbreaks can occur when vaccination rates drop, such as during the MMR controversy of the early 2000s.
The disease is characterized by a prodromal phase, which includes irritability, conjunctivitis, fever, and Koplik spots. The latter typically develop before the rash and are white spots on the buccal mucosa. The rash starts behind the ears and then spreads to the whole body, becoming a discrete maculopapular rash that may become blotchy and confluent. Desquamation may occur after a week, typically sparing the palms and soles. Diarrhea occurs in around 10% of patients.
Measles is mainly managed through supportive care, and admission may be considered in immunosuppressed or pregnant patients. The disease is notifiable, and public health should be informed. Complications of measles include otitis media, pneumonia (the most common cause of death), encephalitis (typically occurring 1-2 weeks following the onset of the illness), subacute sclerosing panencephalitis (very rare, may present 5-10 years following the illness), febrile convulsions, keratoconjunctivitis, corneal ulceration, diarrhea, increased incidence of appendicitis, and myocarditis.
If an unimmunized child comes into contact with measles, MMR should be offered within 72 hours. Vaccine-induced measles antibody develops more rapidly than that following natural infection.
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This question is part of the following fields:
- Paediatrics
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Question 3
Incorrect
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A healthy toddler is 18 months old and was born in the breech position. The toddler's mother is concerned about developmental dysplasia of the hip (DDH), as she has heard that this can be associated with breech delivery.
Which of the following is the most appropriate investigation for this toddler?Your Answer: Ultrasound scan of the hips only if they are found to be unstable on newborn examination
Correct Answer: Ultrasound scan of the hips before six weeks of age
Explanation:An ultrasound scan of the hips is recommended for all babies born in the breech position after 36 weeks of pregnancy, even if they are not born in the breech position. It is also necessary for babies born before 36 weeks in the breech position or those with a family history of hip problems in early life. This is to detect developmental dysplasia of the hip (DDH) early, which can be treated with a Pavlik harness before six months of age. Surgery may be required if non-operative treatment is not successful. An ultrasound scan should be performed before six weeks of age to ensure early diagnosis and treatment. If a baby is found to have an unstable hip joint during their newborn examination, they should have an ultrasound of the hip before two weeks of age. X-rays are not recommended for detecting DDH in infants, and ultrasound is the preferred imaging modality.
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This question is part of the following fields:
- Paediatrics
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Question 4
Incorrect
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A 6-year-old girl presented to the paediatric emergency department with a 4-day history of fever, and watery diarrhoea for the previous 8 days. After initial management, she now appears well hydrated and is drinking as usual. Her observations are normal. The child's stool culture result returns positive for Salmonella spp.
Which of the following is the most appropriate next step in your management?Your Answer: Discharge home with a course of oral antibiotics
Correct Answer: Discharge home with no antibiotic treatment
Explanation:Management of Salmonella Infection in Children: Discharge Home with No Antibiotic Treatment
Salmonella infection is a common cause of gastroenteritis in children. The mainstay of treatment is oral rehydration for correction of dehydration and prevention of further fluid losses. Most children with salmonella infection do not need any specific treatment, and symptoms usually improve in a few days. Unless symptoms are severe, children with salmonella can usually be cared for at home. Infection with Salmonella spp. is a notifiable disease in the UK. Antibiotics should be considered in children with salmonella gastroenteritis who are aged < 6 months, malnourished or immunocompromised. However, in this case, the child is well hydrated and drinking as usual, and therefore, discharge home with no antibiotic treatment is the correct management approach.
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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 6-week-old infant presents to the clinic with a red rash on their scalp accompanied by yellow flakes. What is the probable diagnosis?
Your Answer: Seborrhoeic dermatitis
Explanation:Seborrhoeic Dermatitis in Children: Symptoms and Management
Seborrhoeic dermatitis is a common skin condition that affects children, typically appearing on the scalp, nappy area, face, and limb flexures. One of the earliest signs is cradle cap, which can develop in the first few weeks of life. This condition is characterized by a red rash with coarse yellow scales.
Fortunately, seborrhoeic dermatitis in children is not harmful and usually resolves within a few weeks. Parents can help manage the condition by massaging a topical emollient onto the scalp to loosen scales, brushing gently with a soft brush, and washing off with shampoo. If the condition is severe or persistent, a topical imidazole cream may be prescribed.
It’s important to note that seborrhoeic dermatitis in children tends to resolve spontaneously by around 8 months of age. Parents should not be overly concerned and can take comfort in knowing that this condition is common and easily managed. By following these simple steps, parents can help their child feel more comfortable and alleviate any discomfort associated with seborrhoeic dermatitis.
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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 6-year-old girl is brought to her General Practitioner by her mother. She reports that her daughter has been complaining of abdominal pain and has had loose stools for the past three weeks. Her weight was previously on the 75th centile but has now dropped to the 50th centile. She appears fatigued, pale and has a bloated abdomen.
Which of the following is the most appropriate initial investigation?
Your Answer: Blood tests for immunoglobulin A (IgA) tissue transglutaminase antibody (tTG) and total IgA
Explanation:Diagnostic Tests for Coeliac Disease
Coeliac disease is a condition that affects the small intestine and is caused by an intolerance to gluten. There are several diagnostic tests that can be performed to confirm a diagnosis of coeliac disease.
Initial Blood Tests
The initial blood tests for coeliac disease are immunoglobulin A (IgA) tissue transglutaminase antibody (tTG) and total IgA. Total IgA is tested because IgA deficiency is associated with coeliac disease and can cause a false-negative tTG-IgA. It is important for patients to be eating a diet containing gluten when they have the blood test to avoid a false-negative result.Endoscopy and Duodenal Biopsy
An endoscopy with a duodenal biopsy may be required to confirm the diagnosis in secondary care. However, guidelines state that children may be diagnosed without a biopsy if they have tTG-IgA levels over ten times the upper limit of normal and positive endomysial antibodies (EMA-IgA) in a second blood test.HLA-DQ2 and HLA-DQ8 Blood Tests
HLA-DQ2 and HLA-DQ8 are associated with coeliac disease. This blood test may be performed in secondary care but is not an initial investigation.C13 Urea Breath Test
The C13 urea breath test is used in the diagnosis of Helicobacter pylori and has no role in the diagnosis of coeliac disease.In conclusion, a combination of blood tests and endoscopy with a duodenal biopsy may be required to confirm a diagnosis of coeliac disease. It is important for patients to continue eating a gluten-containing diet before undergoing diagnostic tests.
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This question is part of the following fields:
- Paediatrics
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Question 7
Correct
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At what point in the childhood immunisation schedule is the Meningitis B vaccine administered?
Your Answer: 2, 4, and 12 months
Explanation:The most prevalent cause of meningococcal disease in children in the UK is currently Meningitis B. In 2015, the Meningitis B vaccination was added to the NHS routine childhood immunisation schedule. It is administered at 2, 4, and 12 months of age, in conjunction with other immunisations in the schedule. If given at a different time, doses must be spaced at least 2 months apart. For children over one year old, only two doses are necessary.
Meningitis B Vaccine Now Part of Routine NHS Immunisation
Children in the UK have been vaccinated against meningococcus serotypes A and C for many years, leaving meningococcal B as the most common cause of bacterial meningitis in the country. However, a new vaccine called Bexsero has been developed to combat this strain. Initially, the Joint Committee on Vaccination and Immunisation (JCVI) rejected the use of Bexsero due to a cost-benefit analysis. However, the decision was eventually reversed, and the vaccine has been added to the routine NHS immunisation schedule.
The vaccine is administered in three doses at 2 months, 4 months, and 12-13 months. Additionally, Bexsero will be available on the NHS for individuals at high risk of meningococcal disease, such as those with asplenia, splenic dysfunction, or complement disorder. This new vaccine is a significant step in protecting children and vulnerable individuals from meningitis B.
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This question is part of the following fields:
- Paediatrics
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Question 8
Incorrect
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A 12-year-old girl has excessive bleeding after an adenotonsillectomy for recurrent tonsillitis. Physical examination reveals no abnormalities. The girl's grandmother died of a postoperative bleeding complication at a young age.
Which of the following is the most important investigation to establish a diagnosis?Your Answer: Prothrombin time/INR (international normalised ratio)
Correct Answer: Factor VIII assay
Explanation:Diagnostic Tests for Haemophilia: Factor VIII Assay, Prothrombin Time/INR, Platelet Count, Bone Marrow Examination, and Blood Film
Haemophilia is an X-linked bleeding disorder caused by deficiency of clotting factor VIII (haemophilia A) or factor IX (haemophilia B). Patients may present with bruising, inadequate clotting with mild injury, or spontaneous haemorrhage. To diagnose haemophilia A, a factor VIII assay is necessary. Other diagnostic tests include prothrombin time/INR, platelet count, bone marrow examination, and blood film. The prothrombin time and platelet count are normal in haemophilia, while bone marrow sampling carries a risk of significant bleeding. A blood film is not useful in the diagnosis as red blood cells and platelet count are normal.
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This question is part of the following fields:
- Paediatrics
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Question 9
Incorrect
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A 2-year-old child has been referred by the pediatrician to the clinic as they are concerned about the child's appearance. Upon examination, you observe that the child has upslanting palpebral fissures, prominent epicanthic folds, low-set ears, and a flat face. You proceed to conduct a neurological assessment.
What are the expected findings?Your Answer: Hypertonia
Correct Answer: Hypotonia
Explanation:Hypotonia in neonates can be caused by Down’s syndrome, but it is not the only cause. Down’s syndrome does not typically present with hyperreflexia or hypertonia, and it is not associated with spina bifida. While hyporeflexia may occur in some cases of Down’s syndrome, it is not the most common neurological presentation.
Understanding Hypotonia: Causes and Symptoms
Hypotonia, also known as floppiness, is a condition that can be caused by central nervous system disorders or nerve and muscle problems. It is characterized by a decrease in muscle tone, resulting in a lack of resistance to passive movement. In some cases, an acutely ill child may exhibit hypotonia during examination, while in others, it may be associated with encephalopathy in the newborn period, which is most likely caused by hypoxic ischaemic encephalopathy.
Central causes of hypotonia include Down’s syndrome, Prader-Willi syndrome, hypothyroidism, and cerebral palsy, which may precede the development of spasticity. On the other hand, neurological and muscular problems such as spinal muscular atrophy, spina bifida, Guillain-Barre syndrome, myasthenia gravis, muscular dystrophy, and myotonic dystrophy can also cause hypotonia.
It is important to note that hypotonia can be a symptom of an underlying condition and should be evaluated by a healthcare professional. Early diagnosis and treatment can help manage the symptoms and improve the quality of life for those affected.
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This question is part of the following fields:
- Paediatrics
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Question 10
Correct
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You assess a 10-month-old infant with parents of Jamaican descent. The parents have observed a minor bulge near the belly button. The child is healthy and falls on the 50th percentile. During the examination, you observe a small umbilical hernia that is less than 1 cm in size and can be reduced. What is the best course of action for this situation?
Your Answer: Reassure the parents that the vast majority resolve by the age of 4-5 years
Explanation:Abdominal wall hernias occur when an organ or the fascia of an organ protrudes through the wall of the cavity that normally contains it. Risk factors for developing these hernias include obesity, ascites, increasing age, and surgical wounds. Symptoms of abdominal wall hernias include a palpable lump, cough impulse, pain, obstruction (more common in femoral hernias), and strangulation (which can compromise the bowel blood supply and lead to infarction). There are several types of abdominal wall hernias, including inguinal hernias (which account for 75% of cases and are more common in men), femoral hernias (more common in women and have a high risk of obstruction and strangulation), umbilical hernias (symmetrical bulge under the umbilicus), paraumbilical hernias (asymmetrical bulge), epigastric hernias (lump in the midline between umbilicus and xiphisternum), incisional hernias (which may occur after abdominal surgery), Spigelian hernias (rare and seen in older patients), obturator hernias (more common in females and can cause bowel obstruction), and Richter hernias (a rare type of hernia that can present with strangulation without symptoms of obstruction). In children, congenital inguinal hernias and infantile umbilical hernias are the most common types, with surgical repair recommended for the former and most resolving on their own for the latter.
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This question is part of the following fields:
- Paediatrics
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