1
A 2-month-old infant presents with tachypnea, sweating during feeds, and failure to thrive. Examination reveals a harsh pansystolic murmur at the left lower sternal border with a palpable thrill. Chest X-ray shows cardiomegaly and pulmonary plethora. What is the most likely diagnosis?
B
Ventricular septal defect
D
Coarctation of the aorta