2. DEFINITION
An arterial blood gas
analysis is a blood test taken
from an artery, that measures
the amount of oxygen and
carbon dioxide that is found
in the blood.
10. Contd:
•
HCO3 :
The calculated value of the amount of
bicarbonate in the blood stream
• B.E :
The base excess indicates the
amount of excess insufficient level of
bicarb system.
11. NORMAL VALUES:
pH
7.35 - 7.45
PaCO2
35 - 45 mmHg
PaO2
80 - 100 mmHg
HCO3-
22 - 26mEq /L
More than 95%
-2 to +2
SaO2
B.E
12. ASSESS THE pH
ASSESS THE PaCO2
ASSESS THE HCO3-
16. 1. Air bubbles in the syringe.
2. Inadvertent venous sample.
3. Anticoagulant effect.
4. Dilution of sample.
5. Effects of metabolism of WBC’s in
sample.