心房颤动(房颤)是一种十分常见的心律失常。据统计,60岁以上人群中房颤发生率为1%,并随年龄而增加。房颤的发作呈阵发性或持续性,进行一般处理后,房颤在24~48h内仍未恢复窦性心律者,应用药物或电击复律。奎尼丁、普罗帕酮、胺碘酮、索他洛尔等为临床常用复律药物。奎尼丁可诱发 Atrial fibrillation (AF) is a very common type of arrhythmia. According to statistics, the prevalence of atrial fibrillation in people over the age of 60 is 1%, and increases with age. Atrial fibrillation episodes were paroxysmal or persistent, after the general treatment, atrial fibrillation within 24 ~ 48h still did not recover sinus rhythm, the application of drugs or shock cardioversion. Quinidine, propafenone, amiodarone, sotalol and other clinically used cardioversion drugs. Quinidine can be induced