胺碘酮近年来已被临床用作第三类抗心律失常药物。但由于该药物的半衰期较长,排泄缓慢,易在体内潴留,口服给药其抗心律失常作用要数日至数周后才能充分体现,存在着明显的个体差异。该药物有一定的毒副作用,其对窦房结和房室给有抑制作用,大剂量给药可能发生心室颤动等严重反应。为了向临床提 Amiodarone has been used clinically as a third type of antiarrhythmic drug in recent years. However, due to its long half-life, slow excretion and easy retention in the body, the anti-arrhythmic effect of oral administration can take several days to several weeks to fully reflect, and there are obvious individual differences. The drug has certain toxic and side effects, and it has an inhibitory effect on sinoatrial node and atrioventricular, and large doses may cause severe reactions such as ventricular fibrillation. In order to provide clinical