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晚近,由于平均寿命明显延长,冠状动脉硬化性心脏病(以下简称冠心病)巳成为主要死亡原因之一。据1972年上钢一厂老工人心电图普查报告,仅从心电图诊断冠心病的发病率高达14.8%,国外的发病率还要高。据1978年报道,缺血性心脏病在60岁以下的男性群体中约占20%,死于冠心病者于1942～1962年间在英国增加5倍,为各类癌症死亡率的2倍。一部分冠心病患者可以在临床上无症状,病势潜在发展,一旦出现
Recently, due to the significantly longer average life expectancy, coronary heart disease (hereinafter referred to as coronary heart disease) has become one of the major causes of death. According to a survey of electrocardiogram census of workers in a steel factory in 1972, the incidence of coronary heart disease diagnosed only by electrocardiogram was as high as 14.8%, and the incidence in other countries was even higher. According to a report in 1978, ischemic heart disease accounted for about 20% of males under the age of 60 and those who died of coronary heart disease increased 5-fold in the United Kingdom between 1942 and 1962, doubling the death rate for all types of cancer. Some patients with coronary heart disease can be clinically asymptomatic, the potential development of the disease, once there