日本人正常心電図のベクトル的分析 : 第2篇日本人正常心電図からみた左室肥大診断基準の検討

概要

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The electrocardiogram is very useful clinically for the diagnosis of ventricular hypertrophy in cardiovascular diseases. As left ventricular hypertrophy, in particular, has the highest incidence in various electrocardiograhic findings, so it is very important to diagnose left ventricular hypertophy with accuracy. For the diagnosis of left ventricular hypertrophy, Sokolow's criteria based on an increase in the QRS amplitude are used extensively even in Japan because of their more concreteness having positivity among many electrocardiographic criteria, but there are many critical reports on these criteria. Nevertheless, unexpectedly only few articles discuss accuarcy of these criteria for Japanese subjects. The author asserted in Report I that these original criteria were not applicable to Japanese subjects and it was neccessary to consider the differences due to age and sex in view of the presence of such differences of vector values including the QRS magnitude on spatial vector analysis of the electrocardiogram in normal Japanese by means of Simonson's analyzer. From this point of view, in this report, false positivities of Sokolow's criteria applying to healthy Japanese subjects were investigated and corrected values of these criteria were determined based on vector analysis of the normal Japanese electrocardiogram.
1962-05-20