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心电图检查是慢性肺原性心脏病(以下简称肺心病)的一项必要辅助诊断方法。肺心病心电图改变中以肺性P波及右室肥大为主要诊断依据,一般常规导联心电图中此二项改变的出现率不高,且右室肥大的心电图改变多出现在晚期肺心病患者,故常规导联心电图对肺心病的早期诊断还嫌不够。1961年Harris曾用ABC导联心电图研究一组先心及风心病例,以后郭云赓等用此种导联又观察了一组风心、肺心及先心病人,他们的资料分析结果分别表明ABC导联心电图对右室肥大及心房肥大诊断的敏感性优于一般常规导联心电图。国内其他一些文献中亦有提到加作ABC导联心电图后对肺心病诊断的
ECG examination is a necessary auxiliary diagnosis of chronic pulmonary heart disease (hereinafter referred to as pulmonary heart disease). Pulmonary heart disease ECG changes to pulmonary P-wave and right ventricular hypertrophy as the main basis for diagnosis, the general lead ECG changes in the incidence of these two is not high, and right ventricular hypertrophy ECG changes appear in patients with advanced pulmonary heart disease, therefore Conventional lead ECG early diagnosis of pulmonary heart disease is not enough. In 1961, Harris used ABC lead electrocardiogram to study a series of cases of congenital and rheumatic heart disease. After that, Guo Yun-tao et al observed another group of patients with wind-heart, pulmonary heart and congenital heart disease. Their data analysis showed that ABC Lead electrocardiogram of right ventricular hypertrophy and atrial hypertrophy diagnosis is superior to the general lead ECG. Some other domestic literature also mentioned plus ABC lead ECG after the diagnosis of pulmonary heart disease