结论人工瓣膜置换术后直流同步电复律治疗慢性房颤安全好，转复率高。
Conclusion : Electrical cardioversion was safe and effective in restoring and maintaining SR in patients with persistent AF of prosthetic heart valves.
目的观察依托咪酯在心房纤颤直流同步电复律术中诱导睡眠的效果及安全性。
Objective To observe the effect and reliability of sleeping inducing of etomidate in synchronized direct current cardioverter in atrial fibrillation patients.
风湿性心脏病二尖瓣人工机械瓣替换术后合并慢性心房颤动37例，给予同步电复律。
In 37 patients with atrial fibrillation after replacement of mitral valve (mechanical), electrical conversion was used with energy of 100-200 watt-sec.
治疗组20例，给予体外同步直流电复律治疗；
The therapy group was treated with external direct current cardioversion.
治疗组20例，给予体外同步直流电复律治疗；
The therapy group was treated with external direct current cardioversion.
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