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Blood Gases

Alternative Names:Arterial Blood Gases
Mixed Venous Gases
Gases; Blood
Laboratory:Clinical Biochemistry
Test Code:BG SPEC
Specimen Types:Blood
Container Types:
Arterial Blood Gas Syringe
Collection & Request Instructions:

Arterial blood collections must be performed ONLY by appropriately trained staff.

 

Note: Blood Gas specimens must be received by the laboratory within 20 minutes post collection or 1 hr if transported on an ice slurry.

 

Transport Instructions between Sites and/or Laboratories:On Ice
Send to lab immediately

SYRINGES WITH THE NEEDLE STILL ATTACHED WILL NOT BE ACCEPTED!

Assay Frequency:Daily
Additional Notes:

Reference Intervals:

  pH:       7.35—7.45  
  pCO2:  35—45 mm Hg  
  pO2:     80—100 mm Hg 

  NaD:     135—145 mmol/L

  KD:       3.5—5.2 mmol/L

  Ca++: 1.11—1.28 mmol/L

  Cl:        95—110 mmol/L

  Bicc:    22—32 mmol/L

  Glu:     3.5—7.7 mmol/L

  Lact:     0.8—1.8 mmol/L

tHb(female): 113—159 g/L

tHb(male):     128—175 g/L

 sO2    :                   > 95%

 FCOHb:         <1.5%

 FMetHb:        <2%

 BE:                  -3 - 3 mmol/L

Measured at 37°C; correction for patient temperature is not routinely performed.