Angina pectoris is caused by transient myocardial ischemia due to decreased coronary flow, manifested as episodic retrosternal pain, smothering and choking, etc.
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- 心绞痛由于冠状动脉供血不足;心肌暂时性缺血引起发作性胸骨后疼或胸闷憋气等症状.