Pulsed wave tissue Doppler systolic velocities in stunned, hibernating, and scarred segments, at rest and during low dose dobutamine infusion
| Stunning (n = 132) | Hibernation (n = 25) | Scarred tissue (n = 96) | p Value (ANOVA) | |
|---|---|---|---|---|
| Values are mean (SD). | ||||
| Vs at rest (cm/s) | 6.3 (1.8) | 6.6 (2.2) | 5.5 (1.5) | 0.001 |
| Vs at low dose (cm/s) | 8.3 (2.6) | 7.8 (1.5) | 6.8 (1.9) | <0.001 |
| ΔVs (cm/s) | 2.1 (1.9) | 1.2 (1.3) | 1.3 (1.2) | 0.001 |