但在很多病人它会引起多形性室速或室扑导致昏厥和猝死。
However, in many patients it leads to syncope or sudden cardiac death due to polymorphic VT and ventricular fibrillation.
方法：总结20例分支型室速和短联律间距室性早搏引发的多形性室速，静脉应用维拉·帕米终止室速发作的经验。
Methods: Summed up the experience of terminating fascicular tachycardia and polymorphic ventricular tachycardia with extremely short coupling interval by intravenous verapamil in 20 cases.
方法：总结20例分支型室速和短联律间距室性早搏引发的多形性室速，静脉应用维拉·帕米终止室速发作的经验。
Methods: Summed up the experience of terminating fascicular tachycardia and polymorphic ventricular tachycardia with extremely short coupling interval by intravenous verapamil in 20 cases.
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