Anomalous Origin of Right Coronary Artery from Distal Left Circumflex Artery: A Very Rare Variant of Single Coronary Artery Anomaly
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Abstract
Anomalous origin of the right coronary artery from the distal left circumflex artery is a very rare subtype of single coronary artery anomaly. Herein, a 47-year-old man was presented with a history of antero-septal myocardial infarction and was found to have anomalous origin of the right coronary artery from the distal left circumflex artery in coronary angiography. This type of coronary anomaly is not associated with other cardiac anomalies and does not raise the risk of sudden cardiac death. Besides, it probably does not lead to myocardial ischemia in the absence of coronary atherosclerosis in most instances and may not accelerate the atherosclerotic process.