室性心律失常尤其是室性早搏(简称室早)颇为常见。虽多见于心脏病患者,但也见于心外疾病乃至正常人且随增龄而多发。有的无症状,有的发生严重症状甚至猝死。近年虽开展了电子器械或手术等疗法。但仍以药物疗法最为常用。本文仅就药物治疗的适应症及其应用方法探讨如下。 药物治疗的适应症 室早是否需要药物治疗,须根据其严重程度和可能产生的后果而定。临床上依其严重度将室早分为简单型、频发型和复杂型。Lown倡议分为五级,并对千余例随访一年,证实3级以上的猝死率高3倍。Bigger依其产生的后果,将室早分为: Ventricular arrhythmias, especially ventricular premature beats (referred to as room early) is quite common. Although more common in patients with heart disease, but also found in extra-cardiac diseases and even normal and with multiple age. Some asymptomatic, and some serious symptoms or even sudden death. In recent years, although carried out electronic devices or surgery and other therapies. But still the most commonly used drug therapy. This article only on the indications for drug treatment and its application methods are discussed below. Indications for medical treatment Whether an early need of medical treatment depends on its severity and potential consequences. Clinically according to its severity will be divided into early simple room, frequent type and complex type. Lown initiative is divided into five levels, and more than a thousand cases were followed up for a year, confirmed that 3 or more of the sudden death rate 3 times higher. Bigger according to its consequences, the room is divided into: