Four patients with paroxysmal AF and normal heart underwent RF catheter ablation in left and right pulmonary veins and upper portion of cristal terminalis respectively under ICE.

• 选择4例阵发性房颤而无器质性心脏病的患者，在ICE指导下根据电生理检查的定位结果分别在左房的左上肺静脉、右上肺静脉及右房终末嵴上部进行射频消融。