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Example of a left arterial voltage map acquired using the Carto system-guided high-density mapping in a posterior–anterior and anterior–posterior view, in a patient with atrial fibrillation recurrence after undergoing the pulmonary vein isolation (PVI) procedure. LSPV Left superior pulmonary vein, LIPV left inferior pulmonary vein, RSPV right superior pulmonary vein, RIPV right inferior pulmonary vein, LAA left atrial appendage, MV mitral valve
