急性心肌梗塞(以下简称AMI)是冠心病的严重临床类型之一。自70年代以来我国各地尤以北京地区AMI 的患病数比前明显增多。北京地区协作组的AMI住院病例年均效在1200例左右,近年来未见增加减少的趋势。AMI 是冠心病的主要死亡原因之一,由于抢救水平的提高,AMI 病死率比70年代前也有明显的降低。以北京地区为例,1972、1973年住院AMI 病死率分别为23.2%与24.8%,1974、1975年分别为21.4% Acute myocardial infarction (hereinafter referred to as AMI) is one of the serious clinical types of coronary heart disease. Since the 1970s, the prevalence of AMI in all parts of China, especially in Beijing, has significantly increased. The average annual inpatient AMI in Beijing collaborative group was about 1200, with no trend of increase or decrease in recent years. AMI is one of the major causes of death from coronary heart disease. The mortality rate of AMI was significantly lower than that of the 1970s due to the improvement of the rescue level. Taking Beijing as an example, the mortality rates of hospitalized AMI in 1972 and 1973 were 23.2% and 24.8% respectively, and in 1974 and 1975 they were 21.4%