Table 3.
Arterial blood gasses during CPR and after ROSC.
| Arterial Blood Gases | Baseline | 5 min CPR | 30 min ROSC |
|---|---|---|---|
| SNPeCPR | |||
| pH | 7.43± 0.01 | 7.19± 0.02* | 7.27± 0.04 |
| pCO2 | 43± 1 | 48± 3 | 40± 2 |
| pO2 | 319± 64 | 181± 15 | 267± 70 |
| HCO3 | 28.4± 0.5 | 17.5± 0.8* | 17.1± 0.8 |
| SaO2 (%) | 99± 1 | 100 | 100± 0 |
| ETCO2 | 41± 1 | 35± 2* | 39± 3 |
| S-CPR | |||
| pH | 7.42± 0.02 | 7.26± 0.02 | 7.24± 0.02 |
| pCO2 | 45± 1 | 38± 1 | 39± 2 |
| pO2 | 329± 64 | 185± 37 | 252± 58 |
| HCO3 | 29.3± 0.6 | 15.9± 0.9 | 18.1± 0.7 |
| SaO2 (%) | 99± 1 | 100 | 100± 0 |
| ETCO2 | 41± 1 | 21± 2 | 38± 1 |
Mean± SD. Arterial blood gas measurements at baseline, during CPR, and after ROSC. Partial pressures in torr. SaO2: percent oxygen saturation; HCO3: bicarbonate; ETCO2: end-tidal CO2.
*
means statistically significant difference with p < 0.05 compared to S-CPR.