Table 1.

Arterial blood gas results on admission

Test performed	Result	Reference value
pH	6.90	7.35–7.45
Partial pressure of carbon dioxide, kPa	1.28	4.7–6.0
Partial pressure of oxygen, kPa	14.4	11.3–14.0
Bicarbonate, mmol/L	4.8	22–30
Base excess, mmol/L	–30	–2 – 2
Lactate, mmol/L	18	0.5–2.2
Calculated anion gap, mEq/L	19.3