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扭转型室速(以下简称扭速)可分为间歇依赖性及肾上腺素能依赖性两种,前者在长心室周期或长间歇后发生,后者在运动或情绪紧张时发病,于快速窦性频率时出现。两者在病因及治疗上均不相同,现综述如下。病因及临床表现间歇依赖性扭速一、药物引起的 QT 问期延长综合征(以下简称 LQTS)1.抗心律失常药:Ia 类如奎尼丁、普鲁卡因酰胺、双异丙吡胺常能引起。用奎尼丁
Torsional VT (hereinafter referred to as torsional speed) can be divided into intermittent dependence and adrenergic dependence of the two, the former in the long ventricular cycle or long after the break occurred, the latter in the event of exercise or emotional stress, rapid sinus Appear when the frequency Both in the etiology and treatment are not the same, are summarized below. Etiology and clinical manifestations Intermittent dependence on the speed of a drug-induced QT ask prolongation syndrome (hereinafter referred to as LQTS) 1. Antiarrhythmic drugs: Ia class such as quinidine, procainamide, disopyramide Often can cause. With quinidine