(A) Blood-pool ROI (in red). The mean and standard deviation were computed in the selected blood-pool region in order to use these values for the threshold computation. (B) Nulled myocardium ROI (in red). In this case, the ROI is manually segmented from the healthy ventricular myocardium. Figures generated with ADAS-AF software (Galgo Medical S.L., Barcelona, Catalonia, Spain).