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按照1978年西北地区第二次肺心病专业会议科研协作计划要求,以临床及其它特殊检查确诊为肺心病者的心电图,分别衡量1973年及77年全国肺心病会泌制订的心电图诊断标准(以下称全国际准)测算其阳性符合率,并以本组肺心病者心电图与健康人以及慢性支气管炎(以下简称慢支)并肺气肿的心电图进行对比。同时,对V_1导联P波起始指数(IPI—V_~-≥0.03毫米秒、Ta波(P—R段,心房复极波)≥0.05毫次和avL导联P波方向三项心电图
In accordance with the requirements of the scientific research collaboration plan for the second pulmonary heart disease conference in Northwest China in 1978, the electrocardiogram of patients with pulmonary heart disease diagnosed by clinical and other special examinations was separately measured, and the electrocardiogram diagnostic criteria Said the national standard) to calculate the positive coincidence rate, and the group of patients with pulmonary heart disease ECG and healthy people and chronic bronchitis (hereinafter referred to as chronic bronchitis) and emphysema ECG comparison. At the same time, the V-lead P wave index (IPI-V_ ~ ≥ 0.03 mm sec, Ta wave (P-R segment, atrial repolarization) ≥ 0.05 millisecond and avL lead P wave direction three electrocardiogram