Table 1

Measured and calculated parameters

Measured
Range

pH
6.00-8.00
pO2 (mmHg)
20-700
pCO2 (mmHg)
4-200
Barometric pressure (mmHg)
350-900
Sodium (mmol/l)
80-200
Potassium (mmol/l)
1.0-20.0
Ionized calcium (mmol/l)
0.2-5
 
Calculated


Bicarbonate (mmol/l)
1-99.9
Standard bicarbonate (mmol/l)
1-99.9
Base excess (mmol/l)
-99.9-99.9
Base excess ecf (mmol/l)
-99.9-99.9
Total CO2 (mmol/l)
1-99.9
Oxygen saturation (%)
0-100

Prause et al. Critical Care 1997 1:79   doi:10.1186/cc108

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