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目的探讨室上性搏动伴心室内差异性传导的诊断及其与室性早搏的鉴别。方法所有病例均予同步12导联心电图检测,并观察其胸导联的特征。结果所有差传组病例的胸导联心电图V1~V6的QRS-T均呈特殊的顺序演变。而室性早搏无此变化,均为明显异常。结论通过观察胸导联QRS-T的顺序演变规律,使差传易于诊断,并在室性早搏的鉴别方面具较高的特异性。
Objective To investigate the diagnosis of supraventricular beating with ventricular differential conduction and its identification with ventricular premature beats. Methods All cases were synchronized 12-lead ECG test and observe the characteristics of the chest lead. Results QRS-T of the chest lead electrocardiogram V1 ~ V6 of all the patients in the differential transmission group evolved in a special sequence. Premature ventricular contractions without such changes are obvious abnormalities. Conclusions By observing the sequence of QRS-T, the differential transmission is easy to diagnose and has high specificity in discriminating ventricular premature beats.