Hi, my name is Dr. Steve Yun, M.D., and I am a board-certified dental anesthesiologist in Southern California. (Above diagram taken from www.medlineplus.gov). The ALCAPA Syndrome is a rare congenital heart defect that affects 1 of every 300,000 live births. ALCAPA stands for Anomalous Left Coronary Artery from the Pulmonary Artery. The left coronary artery is the main artery that supplies oxygen-rich blood to the heart muscle. Normally, the left coronary artery arises from th