Fig. 7From: 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 stressMean regional end-systolic radial and circumferential strains (expressed as fractional values) at each experimental condition as determined by: a 2D STE and b sonomicrometry. Error bars represent standard error of measurement and symbols denote p < 0.05 via one-way ANOVA (* versus remote (per given condition), †versus baseline, ‡ versus mild stenosis, § versus mild stenosis + dobutamine, ¶ versus moderate stenosis)Back to article page