SINGLE CORONARY-ARTERY ARISING FROM THE RIGHT SINUS OF VALSALVA - A RARE CAUSE FOR MYOCARDIAL-ISCHEMIA

The presence of a congenital anomaly in coronary arteries can be the c ause of a defective coronary flow and ischaemic symptoms. Although the y are rare, we must suspect them in the presence of major cardiac even ts in young people. A single coronary artery is present if the entire coronary system arises from a solitary ostium. Its presence is regarde d as having little clinical significance and it is usually a fortuitou s finding on coronary angiography. We report the case of a patient wit h effort anginal symptoms, with a single coronary artery arising from the right sinus of Valsalva without obstructive atherosclerotic lesion s.