ABG - Arterial Blood Gases
pH, O2, HCO3, pO2, pCO2, Base Excess (BE)
Specimen Collection Requirements
Arterial Whole Blood, one heparinized blood gas syringe
Collect specimen anaerobically. Blood gas syringe should be capped with no air space.
Refrigerated (2-8°C), transport immediately
Specimens with syringe uncapped or with airspace. Specimens collected in tubes with benzalkonium heparin, EDTA, citrate, oxalate and fluoride.
Ambient (20-25°C): 30 minutes; Refrigerated (2-8°C): 30 minutes; Frozen (at or below -20°C): Unacceptable
Ion selective electrode (ISE), Co-oximetry, Colorimetry
Samaritan Health Services Laboratories
pO2: 83-108 mmHg
pCO2: 32-45 mmHg
O2 Sat: 94-98%
HCO3: 18-23 mmol/L
BE: -2 to 3
Age adjusted ranges.
pH: <7.22; >7.59
pO2: <51 mmHg
pCO2: <21 mmHg; >69 mmHg
O2 Sat: <76 %
Thursday, January 5, 2017 03:41:58 AM