Conclusions Prinzmetal s variant angina pectoris is because of coronary spasm that leads to the occurrence of myocardial infarction.

• 结论变异性心绞痛是由于在冠状动脉狭窄的基础上发生血管痉挛,导致心肌缺血所致,故应积极治疗以防心肌梗死的发生。