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本研究选择确诊的冠心病患者73例,年龄41—75岁。其中陈旧性心肌梗塞34例,有典型心绞痛发作史者33例,心电图有心肌缺血表现合并高血压、高血脂、糖尿病三者中的两项者6例。以93例正常人为对照(其中71例年龄40—75岁)。测算心电图V_1导P波终末电势(PTF-V_1)与M型超声心动图左心功能诸指标之间的相关关系,对PTF-V_1诊断冠心病的意义进行初步探讨。讨论了以下问题:一、冠心病PTF-V_1异常的标准。PTF-V_1负值随年龄的增长而
The study selected 73 patients diagnosed with coronary heart disease, aged 41-75 years old. There were 34 cases of old myocardial infarction, 33 cases of typical history of angina pectoris and 6 cases of myocardial ischemia with ECG, hyperlipidemia and diabetes mellitus. Ninety-five normal controls were used (71 of them were 40-75 years old). The relationship between the terminal potential of P-wave guided by P 1 ECG (PTF-V 1) and left heart function of M-mode echocardiography was calculated and the significance of PTF-V 1 in the diagnosis of coronary heart disease was preliminarily discussed. Discussed the following questions: First, coronary heart disease PTF-V_1 abnormal standard. The negative value of PTF-V_1 increases with age