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. 2018 Jul 12;11(7):e006120. doi: 10.1161/CIRCEP.117.006120

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© 2018 The Authors.

Circulation: Arrhythmia and Electrophysiology is published on behalf of the American Heart Association, Inc., by Wolters Kluwer Health, Inc. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution, and reproduction in any medium, provided that the original work is properly cited.

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Figure 6. — Effect of ablation on abnormal signals. A, Location of electrical in the right ventricle (RV, red) during fibrillation in patient no. 19. B, Epicardial sites harboring fragmented signals (black points) which delineate the ablation area. Note the contiguity of these sites with the areas of ventricular fibrillation (VF) drivers (red spots). C, Baseline signals showing abnormal late fragmented components (stars) and their abolition after radiofrequency ablation (9 min of radiofrequency [RF] delivery).