Pediatrics A child presenting to the clinic is showing features of Down’s syndrome. Which is the MOST common cardiac lesion in a child with Down’s syndrome? A Atrioventricular Septal Defect B VSD C Coarctation of aoa D Transposition of great vessels 💡 Explanation A child presenting to the clinic is showing features of Down's syndrome. Which is the MOST common cardiac lesion in a child with Down's syndrome? ✓ Correct Answer: A. Atrioventricular Septal Defect