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Pacing Clin Electrophysiol · Oct 2010
Case ReportsLeft-sided atrial flutter originating in the coronary sinus after radiofrequency ablation of atrial fibrillation.
- Alejandro Jimenez, Stephen R Shorofsky, Timm M Dickfeld, Rishi Anand, Anastasios P Saliaris, and Magdi Saba.
- Division of Cardiology, University of Maryland Medical Center, 22 S. Greene Street, Baltimore, MD 21201, USA. ajimenez@medicine.umaryland.edu
- Pacing Clin Electrophysiol. 2010 Oct 1; 33 (10): e96-9.
AbstractWe describe a case of atypical atrial flutter presenting 1 year after radiofrequency ablation for atrial fibrillation (AF). Electrophysiologic study showed a reentry circuit involving the inferolateral aspect of the mitral annulus and the coronary sinus (CS); however, a mitral isthmus line did not terminate the arrhythmia. Participation of the proximal CS musculature in the circuit suggested a possible target for ablation. Radiofrequency energy applications from within the CS terminated the tachycardia. Mapping and ablation within the CS should be considered in patients with post-AF ablation arrhythmias, particularly when the mitral annulus appears to be involved in the tachycardia circuit.©2010, The Authors. Journal compilation ©2010 Wiley Periodicals, Inc.
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