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从1980～1989年我院内科共收治80例急性心肌梗塞(AMI).按照起病时有无心前区疼痛共分为三组.52例发作典型的心前区疼痛(Ⅰ组);12例为不典型的心前区疼痛(Ⅱ组);16例为无痛性心肌梗塞(Ⅲ组).Ⅰ组中多数患者的梗塞部位为前壁和/或侧壁,而下壁心肌梗塞多见于Ⅱ和Ⅲ组病例,在三组病例中心律失常、心源性休克和心力衰竭的发生率无显著差别(P>0.05).29例AMI患者在住院期间死亡.再发性心肌梗塞的死亡率明显大于首次梗塞病例的死亡率(P<0.05).本观察表明在八十年代重庆地区AMI的发生率分别低于北京和上海市
80 cases of acute myocardial infarction (AMI) were treated in our hospital from 1980 to 1989. According to the presence or absence of precordial pain at onset, the patients were divided into three groups, including 52 cases of typical precordial pain (group Ⅰ) and 12 cases (Ⅱ group) and 16 cases of painless myocardial infarction (Ⅲ group) .The infarction site of most patients in group Ⅰ was anterior wall and / or lateral wall, while the inferior wall myocardial infarction was more common in There was no significant difference in the incidence of arrhythmia, cardiogenic shock and heart failure between the three groups (P> 0.05) .Twenty-nine patients with AMI died while in hospital.The mortality rate of recurrent myocardial infarction (P <0.05) .The incidence of AMI in Chongqing in the 1980s was lower than that in Beijing and Shanghai respectively