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回顾分析1994～1997年住院的急性心肌梗死（AMI）193例，将其中发病前无心绞痛发作史与有心绞痛病史者进行对比分析，探讨其临床特点。1资料与方法资料来源与分组：193例中对163例，女30例，平均年龄61．1±9．3岁。均系住院AMI患者，均符合WHO1979年诊断标准，均有典型心电图
A retrospective analysis of 193 hospitalized acute myocardial infarction (AMI) between 1994 and 1997 was conducted. The incidence of angina pectoris before angina was compared with the history of angina pectoris and the clinical features were analyzed. 1 Materials and Methods Data sources and sub-groups: 193 cases of 163 cases, 30 females, mean age 61.1 ± 9.3 years. All were hospitalized AMI patients, are in line with the WHO1979 diagnostic criteria, have a typical ECG