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Figure 6 (Left) En-face view of a three-dimensional short-axis slice of a pig heart with the myocardial region of interest divided into six segments. (Right) Regional peak contrast inflow rate (PCIR) (unitless after normalization) calculated from transient contrast inflow (TCI) sequences at baseline, during partial left anterior descending (LAD) artery occlusion, and during reperfusion, averaged over all animals (*p < 0.05 vs. baseline). Different bar colors correspond to specific myocardial segments (left). The two bars of each color represent regions of interest in adjacent slices. Ant = anterior; Asp = anteroseptal; Inf = inferior; Lat = lateral; Pst = posterior; Sep = septal.