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Examples of global (right panel, dotted line) and free-wall RV (right panel, dashed line) longitudinal strain curves. A six-segment model was created (three segments for the free wall and three for the ventricular septum) using a tracking algorithm software after delineation of the endocardial borders in a RV-focused, four-chamber view. Each myocardial segment has a unique color code. White right arrows represent the time to PSS.
