Dual Supply of Left Anterior Descending Coronary Artery on Coronary Computed Tomographic Angiography Not Recognized on Previous Cardiac Catheterizations.

A dual left anterior descending (LAD) artery is an infrequent anomaly of the coronary circulation with rare variations that may cause symptoms. We report a 60-year-old man who underwent multiple percutaneous cardiac catheterizations with stent placements and presented with recurrent angina pectoris. Coronary computed tomographic angiography demonstrated a dual LAD with the long and short LADs originating from the right coronary artery and the left main coronary artery, respectively.