Anomalous Origin of the Left Main Coronary Artery from the Pulmonary Trunk Masquerading as Peripartum Cardiomyopathy

We present a 16-year-old girl who developed congestive heart failure during and after delivery of her first child, and who was diagnosed as having peripartum cardiomyopathy. Cardiac catheterization with coronary arteriography confirmed the correct diagnosis of anomalous origin of the left main coronary artery from the pulmonary trunk.