Coronary artery fistulae are rare and abnormal communications between a coronary artery and a great vessel, which may shunt blood flow away from the myocardial capillary network causing steal phenomenon. We present a 47-year-old man with a unique arteriovenous fistula originating from the proximal portion of the left main coronary artery and entire left anterior descending artery, which then reconstitutes to form a branch of the left pulmonary artery.
Key words: Coronary artery fistula, coronary steal phenomenon, coronary artery anomaly, A-V fistula.
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