心房颤动 (房颤 )是临床最常见的慢性心律失常之一。积极地控制房颤 ,不仅可消除病人的心悸等症状 ,而且对防止血栓栓塞、心力衰竭等并发症的发生有重要意义。目前 ,抗心律失常药物仍然是控制房颤最常用的措施之一 ,但由于抗心律失常药物常有较多的毒副作用 ,且房颤的复发率较 Atrial fibrillation (AF) is one of the most common chronic arrhythmias in clinical practice. Active control of atrial fibrillation, not only can eliminate the patient’s palpitations and other symptoms, but also to prevent thromboembolism, heart failure and other complications of great significance. At present, anti-arrhythmic drugs are still one of the most commonly used measures to control atrial fibrillation. However, anti-arrhythmic drugs often have more toxic side effects and the recurrence rate of atrial fibrillation