UKMLA PLAB AMC USMLE Prometric MCQ

9) The following statements regarding an atrioventricular septal defect (AVSD) are
correct:
A Most defects occur in children with Down's syndrome

B Congestive heart failure usually occurs by 4-8 weeks of age

C Without surgical treatment most infants will die between the ages of
2 and 3 years
D An ECG rarely shows right ventricular hypertrophy (RVH) or right
bundle branch block (RBBB)

E A loud 3-4/6 pan systolic murmur is audible along the left sternal
edge (LSE)