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目的探讨左心室假腱索导致右胸导联终末r′波的机制。方法用心电图(ECG)观察52例右胸导联(V1、V2)终末r′波,用超声心动图观察心室腔内结构。结果 52例左室假腱索均引起右胸导联终末r′波。结论左室假腱索可是引起右胸导联V1、V2导联出现r′波的原因之一。
Objective To investigate the mechanism of left ventricular pseudo-chordae lead to terminal r ’wave of right chest lead. Methods Fifty-two terminal r ’waves of the right chest lead (V1, V2) were observed by electrocardiogram (ECG). The structure of ventricular cavity was observed with echocardiography. Results 52 cases of left ventricular false tendons were caused by right chest lead terminal r ’wave. Conclusions Left ventricular false tendons may be one of the reasons that lead to r ’wave in lead V1 and V2 of right chest lead.