Table 2.
Heart rate (bpm) | Acquisition duration (s) | Mean peak velocity (cm/s) | Net flow or SV (ml/beat) | Cardiac output (L/min) | |
---|---|---|---|---|---|
LV | 78 ± 14 | 87.5 ± 18.6 | 6.7 ± 1.4 | ||
S2 | 82 ± 16 | 51.3 ± 10.1 | 69.1 ± 13.3 | 83.8 ± 19.8 | 6.7 ± 1.5 |
CS3 | 80 ± 16 | 37.5 ± 6.5 | 67.5 ± 12.7 | 82.8 ± 22.2 | 6.4 ± 1.3 |
CS4 | 80 ± 16 | 28.1 ± 4.9 | 66.6 ± 12.4 | 83.0 ± 22.2 | 6.5 ± 1.3 |
CS5 | 81 ± 16 | 21.6 ± 3.6 | 67.9 ± 12.6 | 82.7 ± 21.9 | 6.4 ± 1.3 |
CS6 | 81 ± 15 | 19.1 ± 3.2 | 67.3 ± 12.1 | 83.4 ± 20.6 | 6.6 ± 1.4 |
LV – S2 | − 4.1 ± 5.3* | 3.7 ± 5.1* | − 0.03 ± 0.48 | ||
LV – CS3 or S2 – CS3 | − 3.0 ± 5.9* | 13.9 ± 6.1* | 2.1 ± 3.5* | 4.7 ± 8.0* | 0.21 ± 0.50* |
LV – CS4 or S2 – CS4 | − 2.9 ± 5.4* | 23.2 ± 6.7* | 3.0 ± 4.6* | 4.5 ± 7.6* | 0.20 ± 0.54* |
LV – CS5 or S2 – CS5 | − 3.1 ± 6.4* | 29.8 ± 7.4* | 1.6 ± 3.5* | 4.8 ± 7.0* | 0.22 ± 0.48* |
LV – CS6 or S2 – CS6 | − 3.5 ± 5.3* | 32.2 ± 7.8* | 2.4 ± 4.0* | 4.1 ± 6.4* | 0.08 ± 0.46 |
Unless otherwise indicated, data are means ± standard deviations. CS3,4,5,6 C-SENSE acceleration factor of 3,4,5,6, LV left ventricle, S2 SENSE acceleration factor of 2, SV stroke volume. The *represents p < 0.05