心动过速可呈窄QRS图形、左束支传导阻滞（LBBB）图形及右束支传导阻滞（RBBB）图形。

The QRS complex, during tachycardia could be in morphology of narrow, left bundle branch block (LBBB) and right bundle branch block(RBBB) with VA dissociation.

youdao

心动过速可呈窄QRS图形、左束支传导阻滞（LBBB）图形及右束支传导阻滞（RBBB）图形。

The QRS complex, during tachycardia could be in morphology of narrow, left bundle branch block (LBBB) and right bundle branch block(RBBB) with VA dissociation.

youdao