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Fig. 10 | Cardiovascular Ultrasound

Fig. 10

From: Regional myocardial strain analysis via 2D speckle tracking echocardiography: validation with sonomicrometry and correlation with regional blood flow in the presence of graded coronary stenoses and dobutamine stress

Fig. 10

a-d: Comparison of mean regional end-systolic 2D STE strain and mean regional myocardial blood flow (both quantities normalized to baseline values) in the ischemic and remote territories: a,b radial strains, c,d circumferential strains. e-f: Comparison of mean 2D STE post-systolic indices (PSI) and mean regional myocardial blood flow in the ischemic territories: e radial strains, f circumferential strains. Error bars represent standard error of measurement and symbols denote p < 0.05 via one-way ANOVA (Strain, PSI: * with brackets; Blood flow: † versus baseline, ‡ versus mild stenosis, § versus mild stenosis + dobutamine, ¶ versus moderate stenosis)

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