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有关右室肥大的心电图诊断标准,各家提法不一。且临床诊断率低,还要依赖其他检查。而慢性肺心病的右室肥大,因基础肺疾病等影响,诊断率更低。1960年Walsh等以心电向量图(VCG)将肺心病按其进展程度分成4型进行了分类研究,发现终末向量有向右、右后或右前方向突出的重要表现。进一步他们又将该4型与Schepers慢性肺心病解剖学进展所见进行了相应对比。本文在他们报告的基础上,以常规12导联心电图并用V_(3-6R),捕捉右室肥大时的终末向量,以期能够提高慢性肺心病的诊断率。
About the right ventricular hypertrophy ECG diagnostic criteria, different opinions. And the clinical diagnosis rate is low, but also rely on other tests. The chronic pulmonary heart disease, right ventricular hypertrophy, due to the impact of underlying lung disease, the diagnosis rate is lower. In 1960, Walsh et al. Classified the pulmonary heart disease into 4 types according to the degree of progression by using the electrocardiogram (VCG), and found that the terminal vector has prominent performance in the right, right, or front-right direction. They then compared this type 4 with the anatomic progression of Schepers’ chronic pulmonary heart disease. On the basis of their reports, we use the conventional 12-lead electrocardiogram combined with V_ (3-6R) to capture the terminal vector of right ventricular hypertrophy so as to improve the diagnosis rate of chronic pulmonary heart disease.