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心电图检查对慢性肺原性心脏病(以下简称肺心病)是一项必要的辅助诊断方法,具有一定的诊断参考价值。可是常规导联心电图检查,对早期肺心病的检出率还不高。1961年Harris氏曾用ABC导联心电图研究90例心脏病病人,其中69例伴有肺动脉高压,他推测右室反映于导联A,故强调R_A占优势作为右心室肥大的诊断依据,但未作正常人ABC导联心电图对照观察。郭云赓等报导ABC导联心电图对心房肥大和右心室肥大有诊断意义,并强调P_A反映心房肥大最为敏感,R_B占优势或高电压对右心室肥大有诊断意义,但未将正常组与肺心病组单独对照观察。我们在心电图诊断工作中,为了探索ABC导联对肺心病的诊断价值,因此做了50例正常人ABC导联心电图,以作对照比较,并借此来了解其正常变异。
ECG on chronic pulmonary heart disease (hereinafter referred to as pulmonary heart disease) is a necessary diagnostic method, with some diagnostic reference value. However, conventional lead ECG, the detection rate of early pulmonary heart disease is not high. 1961 Harris’s ABC lead electrocardiogram study of 90 cases of heart disease patients, of which 69 cases associated with pulmonary hypertension, he speculated that the right ventricle is reflected in the lead A, so emphasize the R_A dominant as the basis for the diagnosis of right ventricular hypertrophy, but not ABC lead for normal control electrocardiogram control. Guo Yun 赓 et al reported ABC lead ECG on atrial hypertrophy and right ventricular hypertrophy diagnosis, and stressed that P_A reflects the most sensitive atrial hypertrophy, R_B dominant or high voltage right ventricular hypertrophy diagnosis, but not the normal group and pulmonary heart disease group Individual control observation. In our ECG diagnosis work, in order to explore the diagnostic value of ABC lead in pulmonary heart disease, 50 normal ABC lead electrocardiogram was made for comparison and to understand its normal variation.