目前,在临床上房性心律失常最多见的是心房纤颤和心房扑动,且此类发病越来越多,其远期危害及并发症非常严重,如心房扩大、心功能不全、动脉栓塞疾病等。若常规给药洋地黃(西地兰、地高辛),仅能控制心室率,增加心肌收缩力而强心。胺碘酮虽是抗心律失常的Ⅲ类药物,但它为药物除颤 At present, the most common clinical atrial arrhythmia is atrial fibrillation and atrial flutter, and the incidence of more and more, its long-term harm and complications are very serious, such as atrial enlargement, cardiac insufficiency, arterial embolism Diseases and so on. If conventional administration of digitalis (cedilan, digoxin), only control the ventricular rate, increase myocardial contractility and cardiac. Although amiodarone is anti-arrhythmic class III drugs, but it defibrillation for drugs