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在计算心电图的QRS波群平均电轴时,多沿用Einthoven三角测定法、Dicuaia氏表或六轴系心电轴计算图等,方法比较繁琐。为简化测定手续,提高准确性,我们用三角学原理,求出测算心电轴的数学公式,并按此公式求出按第一导联与第三导联QRS波群代数和的绝对值为整数的1681个座标的数值,制出心电轴计算表,供心电图工作者使用。本计算表虽均按整数计算,但当第一导联或
In the calculation of ECG QRS wave group average axis, the more along with Einthoven triangulation method, Dicuaia’s table or six-axis system of electrical axis calculation diagram, the method is cumbersome. In order to simplify the measurement procedure and improve the accuracy, we use the principle of trigonometry to find the mathematical formula for calculating the ECG axis. The absolute value of the algebraic sum of the QRS complex based on the first lead and the third lead is Integer number of 1681 coordinates, made ECG axis calculation table for ECG workers to use. Although this calculation table are calculated by integer, but when the first lead or