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报告一例病窦患者在缓慢心律的基础上出现显著的QT间期延长而发生扭转型室速,最后导致室颤而猝死。初步证实有复极延迟的多型性室速可引起扭转型室速。认为最佳治疗为临时起搏,其频率要以QT间期缩短到正常范围为有效指标。
A patient with sinus rhythm was reported to have a significant QT prolongation on the basis of a slow rhythm and torsion VT, leading to sudden death from ventricular fibrillation. Preliminary confirmed that there are polypolar ventricular tachycardia can cause torsades de pointes ventricular tachycardia. The best treatment for temporary pacing, the frequency of QT should be shortened to the normal range of effective indicators.