The application of Holo catheter labelling technique with anatomic imaging localization to achrieve the double way conduction block by radiofrequency catheter ablation of TVC TA isthmus, is a reliable method for treating atrial flutter.

• 应用Halo导管标测技术 ,采用解剖学影像定位法消融IVC TA峡部 ,以确定峡部双向传导阻滞 ,是射频消融心房扑动的可靠方法。