Osmolality
280-300mOsm/kg H20
Sodium (Na+)
136-145 mEq/L
Potassium (K+)
3.5-5.5 mEq/L
Chloride (Cl-)
98-106 mEq/L
Total CO2 (CO2 total content)
22-30 mEq/L
Bicarbonate (HCO3-)
Arterial 22-26 mEq/L
Venous 24-30 mEq/L
Total calcium (Ca++)
2. 1-2.6 mmol/L
Ionized calcium (Ca++)
1. 1-1.3 mmol/L
Magnesium (Mg++)
1.5-2.5 mEq/L
Phosphate (PO4—)
0. 87-1.45 mmol/L
ABG: pH
7.35-7.45
ABG: PaCO2
35-45 mmHg
ABG: PaO2
80-100 mmHg
ABG: O2 saturation
95%-100%
ABG: Base excess
-2 to +2 mmol/L