Table 1.
Serial arterial blood gas (ABG) measurements
| ABG 1 | ABG 2 | ABG 3 | ABG 4 | ABG 5 | ABG 6 | |
| pH | 7.19 | 6.99 | 7.25 | 7.32 | 7.27 | 7.4 |
| pCO2 (kPa) | 5.0 | 7.8 | 5.2 | 4.9 | 6.5 | 4.4 |
| pO2 (kPa) | 10.1 | 37.3 | 27.7 | 21.3 | 11.5 | 10 |
| HCO3 (mmol/L) | 14.2 | 14 | 17.1 | 18.9 | 22.1 | 20.5 |
| Lactate (mmol/L) | 5.8 | 13.9 | 6.8 | 2.8 | 2.1 | 1.2 |
| Glucose (mmol/L) | 8.9 | 10.6 | 9.6 | 8.1 | 9.1 | 7.8 |
Initial measurement taken after first generalised seizure in the emergency department. The patient was intubated following the second ABG outlined above. ABG 6 taken 10 hours post-intubation.
pCO2, partial pressure of carbon dioxide; pO2, partial pressure of oxygen.