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Pre-ablation delayed enhancement-MRI images of the left atrium in two patients with atrial fibrillation,
(a) Patient in group 1 with mild (7%) structural remodeling (SRM) and (b) Patient in group 2 with moderate-severe SRM (34%) SRM. The blue areas represent normal myocardium and the green areas are hyperenhanced areas which represent pathological myocardium, presumed to be fibrosis.
