Table 3.

Global peak systolic strain rates values measured at different inotropic states

	Baseline	Dobutamine	Verapamil
GLS peak systolic SR (s-1)	− 2.5 ± 0.6	− 6.4 ± 1.5*	− 2.1 ± 1.1§
GCS peak systolic SR (s-1)	− 3.2 ± 2.2	− 8.7 ± 2.5*	− 2.0 ± 1.3§
GRS peak systolic SR (s-1)	2.7 ± 1.0	5.5 ± 0.9	2.2 ± 1.5§

Strain Rate (SR). *p < 0.05 vs. Baseline; ^§p < 0.05 vs. Dobutamine