Arterial blood gases on admission
| pH | pCO2 | pO2 | Base deficit (excess)† | |
|---|---|---|---|---|
| *Life threatening at and beyond 7.2 and 7.6. | ||||
| †Normal >23 mmol/l: <−3 mmol/l = metabolic acidosis, >+3 mmol/l = metabolic alkalosis, −3 mmol/l to +3 mmol/l = mild metabolic acidosis, severe metabolic alkalosis, or mixed metabolic disturbance. | ||||
| Patient | 7.3 | 3.4 kPa | 15 kPa | −10.3 mmol/l |
| Normal reference range | 7.35–7.45* | 4.5–6.0 kPa | 12–15 kPa | |