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Anomalies

Intramural Course of the Left Main Coronary Artery

Vinayak Nagaraja, MD; Christopher T. Bajzer, MD

Division of Interventional Cardiology, Department of Cardiovascular Medicine, Cleveland Clinic Foundation, Cleveland, Ohio

Editor's note: A pdf of this article is available for download at right (look for red pdf icon).

July 2021

Abstract

Malignant or interarterial course of the large epicardial coronary arteries can cause myocardial ischemia, angina, acute coronary syndromes, congestive heart failure, or sudden cardiac death. Interarterial course occurs when the coronary artery originates from the inappropriate sinus. We describe a case of an 18-year-old healthy collegiate basketball player who presented with ventricular fibrillation and cardiogenic shock due to an interarterial and intramural course of an anomalous left coronary artery without an ectopic origin.

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