Çetin M.Yildirimer M.Evrengül H.Özen S.Genç B.Coşkun Ş.2024-07-222024-07-22201213000381http://akademikarsiv.cbu.edu.tr:4000/handle/123456789/17594Coronary artery fistulas are direct connections, devoid of a capillary system, between any coronary arteries and 4 chambers of the heart, superior vena cava, pulmonary artery, or pulmonary veins. Although definitive consensus has not been reached regarding treatment approaches, it has usually been reported that symptom-free small fistulas have a benign course and may be followed clinically and they should be closed in patients with symptomatic fistulas or related complications. Here, we presented a case of asymptomatic fistula between proxymal left descendant coronary artery and main pulmonary artery, that has been spotted by transthoracic echocardioghraphy. Copyright © 2012 by Türkiye Klinikleri.Turkisharticleasymptomatic diseasecase reportcoronary arterycoronary artery fistuladisease coursehumanpulmonary arterytransthoracic echocardiographyArticle