From: Elasticity-based determination of isovolumetric phases in the human heart
Parameter | Volunteers | Patients | |
---|---|---|---|
τ A (ms) | 136 ± 36 | 161 ± 46 | P = 0.053, k = 0.44 |
τ A ′ (ms) | 138 ± 37 | 173 ± 50 | P = 0.06, k = 0.42 |
τ sys (ms) | 297 ± 64 | 365 ± 87 | P < 0.001, k = 1 |
τ A /τ sys | 0.25 ± 0.06 | 0.36 ± 0.13 | P = 0.01, k = 0.54 |
τ B (ms) | 75 ± 31 | 133 ± 58 | P = 0.005, k = 0.55 |
τ B ′ (ms) | 76 ± 30 | 142 ± 68 | P = 0.006, k = 0.52 |
τ dia (ms) | 682 ± 108 | 517 ± 91 | P = 0.0035, k = 0.61 |
RR interval (ms) | 982 ± 102 | 888 ± 139 | P = 0.08, k = 0.40 |
SF (%) | 56.0 ± 5.5 | 44.8 ± 12.6 | P = 0.008, k = 0.53 |