Table 2.
Haemodynamic data at baseline and during right ventricular pacing and passive leg raise.
| BL | VP | p value | BL | PLR | p value | |
|---|---|---|---|---|---|---|
| CO (l/min) | 4.86 ± 1.20 | 3.84 ± 1.08 | <0.001 | 4.72 ± 1.17 | 5.65 ± 1.26 | <0.001 |
| SV (mL/min) | 71 ± 20 | 54 ± 17 | <0.001 | 69 ± 17 | 81 ± 19 | <0.001 |
| VtCO2 (ml) | 17 ± 3 | 15 ± 3 | <0.001 | 16 ± 3 | 18 ± 4 | <0.001 |
| EtCO2 (kPa) | 4.3 ± 0.3 | 4.1 ± 0.4 | <0.001 | 4.3 ± 0.3 | 4.5 ± 0.3 | <0.001 |
| MAP (mmHg)∗ | 72 ± 6 | 62 ± 9 | <0.001 | 72 ± 9 | 78 ± 8 | <0.001 |
| HR (beats/min) | 69 ± 10 | 73 ± 10 | <0.001 | 70 ± 10 | 71 ± 10 | 0.015 |
Data are presented in mean ± SD. BL = baseline; RVP = ventricular pacing; PLR = passive leg raise; CO = cardiac output; SV = stroke volume; VtCO2 = exhaled carbon dioxide per tidal volume; EtCO2 = end-tidal carbon dioxide; MAP = mean arterial pressure (∗measurements from 21 patients); HR = heart rate.