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室性期前收缩是指室性异位起搏点发生的过早冲动引起的心脏搏动,是临床最常见的心律失常[1]。关于室性早搏不易治疗,其一是室性早搏的病因复杂,其二是药物治疗效果不满意,还潜在致心律失常的风险,步长稳心颗粒是一种纯中药制剂,已有资料显示其具有抗心律失常作用。本文采用随机单盲法,以常用抗心律失常药物美托洛尔作对照,观察步长稳心颗粒治疗非器质性心脏病合并室性期前收缩的疗效及不良反应。
Ventricular premature contraction refers to the premature ventricular ectopic pacemaker caused by heart beat, is the most common clinical arrhythmias [1]. On the premature ventricular contractions is not easy to treat, one is the complex causes of ventricular premature beats, the second is not satisfied with the drug treatment, but also potentially risk of arrhythmia, step steady heart particles is a pure Chinese medicine preparation, It has anti-arrhythmic effects. In this paper, a randomized single-blind method, the commonly used anti-arrhythmic drug metoprolol as a control to observe the step-stabilizing particles in the treatment of non-structural heart disease with ventricular contraction and efficacy of adverse reactions.