Atrial fibrillation is the most common continual arrhythmia in clinic. Its morbidity will be obviously higher as age grows and it doubled every 10 years.

• 心房颤动是临床最常见的持续性心律失常，其发病率随年龄增长而显著增长，每生存10年其发病率就升高接近2倍，50岁年龄组发病率约为0.；9%25，在80岁以上人群中发病率高达10%25。