An infant has a harsh pansystolic murmur at the left lower sternal edge and poor feeding. What is the most likely diagnosis?
Answer and explanation
Correct answer: C. Ventricular septal defect
- Step 1: The picture of a pansystolic murmur at the left lower sternal edge fits Ventricular septal defect.
Answer
Ventricular septal defect.
Why not the others: 'Patent ductus arteriosus': it gives a continuous machinery murmur. 'Atrial septal defect': it gives a fixed split second sound with a soft flow murmur. 'Tetralogy of Fallot': it causes cyanosis with an ejection murmur.
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