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Anteroposterior (left) and lateral (right) views of 3-dimensional electroanatomic mapping of the right atrium postablation with pacing from the esophageal electrode suggesting conduction block along the cavotricuspid isthmus with 80-ms delay at the lateral atrial wall. AVN = atrioventricular node; IVC = inferior vena cava; SVC = superior vena cava.
