Anomalous origin of the left coronary artery from the pulmonary artery (ALCAPA) is a rare congenital heart disease (CHD) which accounts for 0.023% of all congenital heart diseases. It is asymptomatic in many cases and is mostly diagnosed in the first few months of life. If untreated, the mortality rate in the first year of life will be more than 90%. We report a 6-month-old infant admitted to out clinic because of heart failure. Echocardiography revealed a dilated cardiomyopathy and left main coronary artery originates from pulmonary artery. Diagnosis was confirmed by coronary angiography and treated succesfully by surgical procedure.

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