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Left ventricular volumes and mass measurement over time. A: Left ventricular ejection fraction (LVEF). B: Left ventricular end-diastolic volume (LVEDV). C: Left ventricular end-systolic volume (LVESV). D: Left ventricular (LV) mass index (linear method). E: LV mass index (area–length method). F: Relative wall thickness (RWT). Values are given as mean ± SEM. PVC-LC = premature ventricular contraction long-coupled; PVC-SC = contraction short-coupled.
