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心肌梗塞是由于严重而持久的缺血引起的部分心肌坏死,临床上产生胸痛、急性循环衰竭、心脏节律紊乱等一系列特征性的表现。绝大多数病例是由于冠状动脉急性闭塞的结果。主要的病因是冠状动脉粥样硬化;少数病例是由于梅毒性主动脉炎,致冠状动脉开口狭窄和闭塞;其他少见病因如风湿性瓣膜病、细菌性心内膜炎等。过去认为心肌梗塞较少见,近来发病率有逐渐增高的趋向。我院收治的急性心肌梗塞占内科住院总数的0.2％,占住院器质性心脏病人数的
Myocardial infarction is caused by a serious and persistent ischemic myocardial necrosis, clinical manifestations of chest pain, acute circulatory failure, cardiac rhythm disorders and a series of characteristic manifestations. The vast majority of cases are due to acute coronary occlusion. The main cause is coronary atherosclerosis; a small number of cases is due to syphilitic aortic inflammation, coronary stenosis and occlusion of the opening; other rare causes such as rheumatic valvular disease, bacterial endocarditis and so on. In the past that myocardial infarction is rare, the recent incidence of a gradual increase in the trend. Acute myocardial infarction admitted to our hospital accounted for 0.2% of the total number of hospitalizations, accounting for the number of hospitalized organic heart disease