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Fig. 2 | The Egyptian Heart Journal

Fig. 2

From: Clinical outcomes of catheter ablation of paroxysmal atrial fibrillation in very young population compared to older population: a prospective study

Fig. 2

Three-dimensional mapping of the left atrium (LA) and pulmonary veins (PVs) in a patient from the older population group with paroxysmal AF. a Abnormal bipolar voltage map of LA showed a large low-voltage area (LVA) in the posterior wall. b Combined circumferential pulmonary vein isolation and electrical isolation of this LVA (box isolation) were performed in the same patient. LSPV: left superior pulmonary vein, LIPV: left inferior pulmonary vein, RSPV: right superior pulmonary vein, RIPV: right inferior pulmonary vein, LAA: left atrial appendage, LVA: low-voltage area, AP view: anteroposterior view, PA view: posteroanterior view

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