近年来,冠状动脉痉挛(CAS)已成为心脏病学家注目的焦点。目前冠状动脉造影已证实节段性或弥漫性CAS是变异型心绞痛的病理基础。而且,已有越来越多的资料提示CAS也是典型心绞痛、急性心肌梗塞、严重心律失常和猝死发生的重要因 In recent years, coronary artery spasm (CAS) has become the focus of attention of cardiologists. Current coronary angiography has confirmed that segmental or diffuse CAS is the pathological basis of variant angina. Moreover, there is a growing body of evidence that CAS is also an important cause of typical angina, acute myocardial infarction, severe arrhythmia, and sudden death