Table 2

Blood gases

Patient’s results
InvestigationOn admission4–6 hours laterNormal range
pH7.587.477.35–7.45
Oxygen pressure (kPa)8.2515.011–14
Carbon dioxide pressure (kPa)6.745.054.7–6.0
Bicarbonate (mmol/l)465022–30
Base excess (mmol/l)2128±2