Direct current catheter ablation (DCCA) and radiofrequency catheter ablation(RFCA) were performed on all patients guided by endocardial activation mapping combined with pace mapping.

• 采取心内激动和 (或 )起搏标测的方法进行标测 ,行直流电消融 (DCCA)或射频消融 (RFCA)治疗。