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Rotors localized outside intracardiac mapped regions. A. Area covered by the basket catheter in a patient in whom driver-guided ablation did not terminate AF. B. Body surface AF source map for the patient in A, showing potential driver outside region mapped by baskets. C. Number of body surface sources outside the intracardially-mapped regions (brown in panel A) in patients in which driver-guided ablation did or did not terminated AF.
