Electrophysiologic study and radiofrequency catheter ablation of isthmus-independent atrial flutter

被引:8
作者
Lai, LP [1 ]
Lin, JL [1 ]
Tseng, CD [1 ]
Huang, SKS [1 ]
机构
[1] Natl Taiwan Univ Hosp, Dept Internal Med, Taipei 100, Taiwan
关键词
atrial flutter; cather ablation; atypical atrial flutter;
D O I
10.1111/j.1540-8167.1999.tb00249.x
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Isthmus-Independent Atrial Flutter. Introduction: We report the electrophysiologic study and radiofrequency catheter ablation of isthmus-independent atrial flutter in 2 patients. The isthmus-independent atrial flutter in these 2 patients had similar ECG and electrophysiologic findings. Both were reproducibly induced by rapid atrial pacing. The atrial activation sequence and entrainment study proved that these atrial flutters were not isthmus-dependent. A high-right atrial site was identified as the critical site of the slow conduction zone of the tachycardia in both. This site showed double potentials and mid-diastolic potentials. Radiofrequency catheter ablation at this site successfully eliminated the isthmus-independent atrial flutter in both patients. (J Cardiovasc Electrophysiol, Vol. 10, pp. 728-735, May 1999).
引用
收藏
页码:728 / 735
页数:8
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