Figure 1From: Impact of epicardial ablation of concomitant atrial fibrillation on atrial natriuretic peptide levels and atrial function in 6 months follow-up: does preoperative ANP level predict outcome of ablation? Atrial mechanical function after ablation. (A) Atrial Filling Fraction (AFF) and (B) A-velocity of left atrium before, 3 and 6Â months after HIFU ablation.Back to article page