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本文通过计算机将心电向量模［Ｖ（ｔ）］及心电向量模导数［Ｖ（ｔ）］心电图按时间轴展开简称ＶＭＤＣＧ。用药物将３０只家兔造成病理模型，测试了室性早搏（ＶＰＢ）和完全右束支阻滞（ＣＲＢＢＢ）出现前后的系列定量指标。结果表明有三个指标差异极显著。此实验为临床鉴别诊断宽大ＱＲＳ波心率失常提供了新的方法。
In this paper, the electrocardiogram (V (t)) and electrocardiogram (V (t)) ECG were decomposed on the time axis for short as VMDCG by computer. Thirty rabbits were pathologically modeled with the drugs and serial quantitative indices before and after the occurrence of premature ventricular contractions (VPB) and complete right bundle branch block (CRBBB) were tested. The results show that there are three significant differences. This experiment provides a new method for the clinical differential diagnosis of QRS heart rate disorders.