Fig. 3.From: Role of non-pulmonary vein triggers in persistent atrial fibrillation3D electro-anatomical map showing the ablation inside of the coronary sinus. A Epicardial ablation inside the CS was performed for CS isolation. B Atrial tachycardia originated from vein of Marshall was induced during rapid atrial pacing. Epicardial ablation inside of the coronary sinus was performedBack to article page