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冠状动脉粥样硬化是心肌缺血的主要原因,但冠状动脉先天异常也能引发心肌缺血。本文报告两例冠状动脉回旋支近端扭曲(环)引起的心绞痛。 2例患者均有典型劳累性心绞痛1年,
Coronary atherosclerosis is a major cause of myocardial ischemia, but congenital anomalies of the coronary arteries can also cause myocardial ischemia. This article reports two cases of angina pectoris caused by proximal torsion (ring) of the circumflex coronary artery. Two patients had typical exertional angina pectoris for 1 year,