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Three-dimensional electroanatomic mapping of the right atrium in the right anterior oblique (left) and left anterior oblique (right) views showing counterclockwise macroreentry around the cavotricuspid isthmus. Light green spots show the ablation line created over the isthmus. The transesophageal electrode (Oeso) is depicted as the orange catheter. The ablation electrode is depicted as the white catheter. AVN = atrioventricular node; IVC = inferior vena cava; SVC = superior vena cava.
