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The affects of longitudinal displacements for the 2D- and 3D-circumferential strain (CS). Panel A shows the correlation between longitudinal displacement and the absolute differences between 2D- and 3D-CS. Panel B shows left ventricular segmental comparisons of longitudinal displacements between control (blue dots) and DCM (red dots). DCM: idiopathic dilated cardiomyopathy, LVEF: left ventricular ejection fraction.
