Table 3 Blood and respiratory variables
Baseline (PSV) | PSV | Noisy PSV | |
|---|---|---|---|
pH | 7.41 ± 0.13 | 7.41 ± 0.05 | 7.41 ± 0.05 |
HCO 3 - (mmol/L) | 27.1 ± 4.0 | 27.1 ± 3.8 | 27.2 ± 3.8 |
BE | 3.0 ± 3.9 | 2.9 ± 3.8 | 3.0 ± 3.8 |
Lactate (mmol/L) | 1.2 ±0.4 | 1.0 ± 0.3 | 1.1 ±0.3 |
Lowest V T /kg IBW (mL/kg) | 4.6 ± 2.3 | 5.3 ± 2.3 | 3.0 ± 1.6** |
Mean V T /kg IBW (mL/kg) | 9.0 ± 1.8 | 9.0 ± 1.3 | 8.7 ± 1.3 |
Highest V T /kg IBW (mL/kg) | 13.1 ± 5.8 | 12.6 ± 3.4 | 14.3 ± 4.0* |
RR (/min) | 18.8 ± 6.0 | 18.9 ± 7.0 | 19.0 ± 6.4 |
T i /T tot | 0.3 ± 0.1 | 0.3 ± 0.1 | 0.3 ± 0.1 |