Palpitations accompanied by myocardial ischemia-type chest pain may be indicative of CAD, in which decreased diastolic coronary flow and ischemia result from the tachycardia.

• 心悸伴有心肌缺血型胸痛提示有冠状动脉疾病（CAD），因为此时心动过速将引起缺血和舒张期冠脉血流减少。