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AimsThe aim of this study was to analyze the impact of the tracking area width on myocardial wall motion and deformation parameters in 2D speckle tracking.
Methods and ResultsStandardized apical views were acquired in 30 healthy subjects and 15 patients with left ventricular systolic dysfunction using 2D echocardiography. Longitudinal peak systolic strain (PSS), longitudinal peak systolic strain...