Methods:14 AF patients of normal cardiac function and 18 normal subjects were studied with transcranial Doppler (TCD) of mean flow velocity(Vm) and pulsatility index (PI).

• 方法 :选择 14例心功能代偿期AF患者作观察组 (AF组 ) ,18例同龄健康体检者作对照组。 采用经颅多普勒检测仪 (TCD)以脑动脉平均血流速度 (Vm)及搏动指数 (PI)为观察指标。