动脉痉挛引起动力性冠状动脉狭窄并产生的疼痛，虽然是缺血性的，也往往在休息或夜间发生。

Pain due to dynamic coronary narrowing from arterial spasm, although ischemic, tends to occur at rest or nocturnally.

动脉痉挛引起动力性冠状动脉狭窄并产生的疼痛，虽然是缺血性的，也往往在休息或夜间发生。

Pain due to dynamic coronary narrowing from arterial spasm, although ischemic, tends to occur at rest or nocturnally .

动脉痉挛引起动力性冠状动脉狭窄并产生的疼痛，虽然是缺血性的，也往往在休息或夜间发生。

Pain due to dynamic coronary narrowing from arterial asm, although ischemic, tends to occur at rest or nocturnally .