Table 1 Gas analysis results obtained from the patient’s arterial blood at various events during her hospital stay
After intubation (FiO2 0.44) | Before extubation (FiO2 0.4) | During ICU entrance (O2 5 L/min; face mask) | |
|---|---|---|---|
pH | 7.396 | 7.369 | 7.379 |
PCO2 (mmHg) | 31.9 | 37.4 | 34.6 |
PO2 (mmHg) | 87.0 | 174 | 64.4 |
ABE (mmol/L) | − 4.3 | − 3.3 | − 4.0 |
HCO3− (mmol/L) | 19.2 | 21.0 | 20.0 |
SO2 (%) | 96.3 | 98.8 | 90.1 |
Lactate (mmol/L) | 3.0 | 2.2 | 2.8 |
P/F ratio | 197.7 | 435 | 161 |