A Case of Anomalous Origin of the Right Coronary Artery from the Left Sinus of Valsalva with a Malignant Course.

Congenital heart disease in adults, including congenital anomalies of the coronary arteries, can be asymptomatic and diagnosed incidentally, but they can also be a cause of sudden cardiac death. The recent guidelines on the management of adults with congenital heart disease from the American Heart Association (AHA) and the American College of Cardiologists (ACC) identify that an anomalous coronary artery origin can lead to myocardial ischemia, arrhythmias, or sudden cardiac death. When the course of the coronary artery runs between the aorta and pulmonary trunk, it is described as having a "malignant course.