Pranav Bhagirath

27 Multimodality imaging for patient evaluation and guidance of catheter ablation for atrial fibrillation Figure 2. LA tissue characteristics: fibrosis, edema and necrosis. Reconstructed 3D left atrial shells after post processing T2 and 3D LGE images of the left atrium. a. The 4 stages of fibrosis (bright green) used in the Utah classification to stratify ablation therapy. b. 18-24 hours post ablation. c. 3 months and beyond edema and scar. Reprinted with permission from (a.) Akoum et al 14 and (b. & c.) Arujuna et al 16 .