Nokea
What are TWO possible interventions for an infant with Tetralogy of Fallot who has recurrent desaturation episodes on propranolol?
- A. Full surgical repair
- B. Interim repair with RVOT stent or shunt
- C. Propranolol dose adjustment
- D. All of the above
Correct Answer: B
Rationale: Interim repair with RVOT stent or shunt can be used to improve oxygenation in infants who are not candidates for immediate full surgical repair.
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A previously well 3½-month-old presents with poor feeding, diaphoresis during feeding, and poor growth. Vital signs reveal respirations of 70, pulse of 175, and blood pressure of 90/65 mm Hg in the upper and lower extremities. The cardiac examination reveals a palpable parasternal lift and a systolic thrill. A grade 4 holosystolic murmur and a mid-diastolic rumble are noted. The chest radiograph reveals cardiomegaly. The most likely diagnosis is
- A. cardiomyopathy
- B. myocarditis
- C. VSD
- D. coarctation of the aorta
Correct Answer: C
Rationale: The presentation suggests a large ventricular septal defect (VSD) causing significant left-to-right shunting and heart failure.
List THREE indications for intervention for aortopathy in Marfan’s syndrome in an older teenager.
- A. Aortic root or ascending aorta dilation >44-50mm
- B. Symptomatic (pain consistent with rupture)
- C. Growth of >0.5cm/y
- D. All of the above
Correct Answer: D
Rationale: These are significant indicators that require surgical intervention to prevent further complications, such as rupture or dissection.
Regarding bronchial asthma:
- A. Mortality has shown an increase during the past three decades
- B. The incidence is greater in males than females
- C. Nocturnal cough is a recognised feature
- D. Post-RSV bronchial hyperreactivity is strongly associated with atopy
Correct Answer: C
Rationale: Nocturnal cough is a common and recognized feature of bronchial asthma, often disrupting sleep.
Which of the following is correct in breast milk jaundice?
- A. Peaks at first week of life
- B. Recurs with resumption of breast milk after trial stoppage
- C. Kernicterus can occur
- D. Seen in up to 10% of infants
Correct Answer: B
Rationale: Breast milk jaundice recurs when breastfeeding is resumed after a temporary stoppage.
Common causes of recurrent haematuria are:
- A. Berger's disease
- B. Goodpasture's syndrome
- C. Renal stones
- D. Acute post-streptococcal glomerulonephritis
Correct Answer: A
Rationale: The correct answer is A because Berger's disease (IgA nephropathy) is a common cause of recurrent haematuria. The other options (b-e) are less common or present differently.