
The Slope of the Segmental Stretch-Strain Relationship as a Noninvasive Index of LV Inotropy
Keywords: LV inotropy; myocardial deformation imaging; strainΔ_preS, change of left ventricular stretch during atrial contraction with leg lift; Δ_total_S, change of left ventricular strain with leg lift; BL, baseline, resting state; EDV, end-diastolic volume; EF,