Table 2 Mean values of peak and time to peak twist and untwist-rate at the epicardial level
Mean ± Standard Deviation | Peak twist epicardial (degrees) | Time to peak twist (ms) | Peak untwist-rate epicardial (degrees/s) | Time to peak untwist-rate (ms) |
|---|---|---|---|---|
Volunteers at rest | 12 ± 9 | 325 ± 106 | -119 ± 57 | 449 ± 91 |
Volunteers at 10 mcg of dobutamine | 17 ± 8 (p = 0.09) | 257 ± 65 (p = 0.03) | -157 ± 78 (p = 0.2) | 366 ± 78 (p = 0.03) |
Volunteers at 20 mcg of dobutamine | 18 ± 11 (p = 0.14) | 204 ± 72 (p = 0.08) | -226 ± 110 (p = 0.03) | 277 ± 82 (p = 0.03) |