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Figure 1 (A) Strain rate profile of a normal subject and (B) a transmural infarct. (A) Shows peak systolic strain rate (SRs), early diastolic strain rate (SRe), and atrial strain rate (SRa) are uniform in basal, mid-, and apical segments in a normal septum. However, in (B) with a transmural basal inferior infarct basal SRs is markedly reduced oscillating around the zero line compared to the mid- and apical segments. (C) Shows the corresponding transmural infarct by contrast-enhanced magnetic resonance imaging.
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