Table 2 Progress of blood gas analysis and methemoglobin concentration of case 2
From: Two Cases of Methemoglobinemia Induced by the Exposure to Nitrobenzene and Aniline
| Initial * | Progress † | |||||||
|---|---|---|---|---|---|---|---|---|
| 1 hour later | 2 hours later | 4 hours later | 6 hours later | 1 day later | 2 days later | 3 days later | ||
| pH | 7.41 | 7.40 | 7.40 | 7.36 | 7.34 | 7.34 | 7.42 | 7.46 |
| PCO2 (mmHg) | 37.4 | 41.3 | 38.1 | 43.5 | 45.0 | 47.2 | 39,1 | 34.1 |
| PO2 (mmHg) | 185 | 221 | 200.9 | 261.1 | 345 | 237 | 114 | 119 |
| HCO−2 (mmol/L) | 23.0 | 23.5 | 23.1 | 24.2 | 23.6 | 25.0 | 25.0 | 24.2 |
| O2 saturation (%) | 98.3 | 98.5 | 98.6 | 99.0 | 99.2 | 99.0 | 98.3 | 97.2 |
| Methemoglobin (%) | 46.8 | 25.3 | 19.3 | 9.9 | 6.6 | 2.4 | 1.5 | 0.8 |