Table 1. Arterial blood gas.

Parameters	Results	Reference range
pH	7.27	7.35-7.45
PCo2	63.4 mmHg	35-45 mmHg
Po2	65.3 mmHg	83-108 mmHg
Bicarbonate	28 mmoles/L	22-28 mmoles/L
Lactic acid	2.5 mmoles/L	0.5-1.1.6 mmoles/L