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A new algorithm to determine complete isthmus conduction block after radiofrequency catheter ablation for typical
1Department of Cardiology and Angiology, Hospital of the Westfälische Wilhelms-Universität, and Institute of Arteriosclerosis Research, Münster, Germany. johna@uni-muenster.de
The American Journal of Cardiology
|July 7, 1999
Abstract:
The induction of a complete conduction block of the isthmus between inferior vena cava and tricuspid annulus is considered the best predictor for lack of arrhythmia recurrence if radiofrequency catheter ablation for typical atrial flutter is performed. We evaluated a simplified algorithm to determine complete isthmus block that, in our series, had a predictive accuracy of 100% when compared with the gold standard.