心绞痛是冠心病最常见的一种类型。在我国,此病的发病率很高,而且呈逐年上升的趋势。心绞痛患者的心肌常会因冠状动脉供血不足而发生暂时性的缺血和缺氧,从而出现一系列以心前区疼痛 Angina pectoris is the most common type of coronary heart disease. In our country, the incidence of this disease is very high, and it shows a trend of increasing year by year. Angina patients with myocardial ischemia often due to coronary ischemia and hypoxia, resulting in a series of pain in the anterior chamber