A baby has a murmur and cyanosis. Echo shows pulmonary stenosis, a ventricular septal defect, an overriding aorta and right ventricular hypertrophy. What is the diagnosis?

Answer and explanation

Correct answer: D. Tetralogy of Fallot

  1. Step 1: These four features define tetralogy of Fallot. Answer: Tetralogy of Fallot. Why not the others: Transposition of the great arteries, Truncus arteriosus and Total anomalous pulmonary venous return don't fit.

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