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近来通过对某工厂40岁以上1842人以及40岁以下200人进行冠心病普查。其中有选择地对631例进行了心电图负荷试验,并在运动前后记录V_1导联时将增益放大至1毫伏=20毫米,以便观察PV_1终末电势的改变,部分病例做了心得安试验;左心室收缩时间间期测定,超声心动图检查以及血清抗心肌抗体检查等,试图探讨几项检查对冠心病早期诊断的意义,现分述如下:一、心得安试验对冠心病鉴别诊断价值的
Recently through a factory over the age of 18 1842 people and 200 under 40 years of coronary heart disease survey. Among them, 631 cases were selected for ECG load test, and the V_1 lead was recorded before and after exercise, the gain was amplified to 1 millivolt = 20 mm in order to observe the change of PV_1 terminal potential. In some cases, propranolol was tested. Left ventricular systolic time interval, echocardiography and serum anti-myocardial antibody test, trying to explore the significance of several checks on the early diagnosis of coronary heart disease, are described as follows: First, propranolol on the differential diagnosis of coronary heart disease