The Student Nurse Information Center


Arterial Blood Gas Review


Courtesy of The Respiratory Care Services of
St. Charles Hospital Oregon, Ohio 43616
( 1 )

pH 7.34

pCO2 33.9

HCO3 18.2

B.E. -6.2

pO2 85.2

( 2 )

pH 7.34

pCO2 40.3

HCO3 21.4

B.E. -3.6

pO2 41.0

( 3 )

pH 7.59

pCO2 49.0

HCO3 48.2

B.E. +21.6

pO2 58.7

( 4 )

pH 7.17

pCO2 69.3

HCO3 21.0

B.E. -5.5

pO2 40.9

( 5 )

pH 7.07

pCO2 11.4

HCO3 3.1

B.E. -26.3

pO2 115.1

( 6 )

pH 7.25

pCO2 74.3

HCO3 12.4

B.E. -13.4

pO2 29.1

( 7 )

pH 7.45

pCO2 27.0

HCO3 19.1

B.E. -3.5

pO2 65.5

( 8 )

pH 7.28

pCO2 79.5

HCO3 37.1

B.E. +8.4

pO2 30.0

( 9 )

pH 7.51

pCO2 39.4

HCO3 31.3

B.E. +7.5

pO2 77.3

( 10 )

pH 7.39

pCO2 39.0

HCO3 23.4

B.E. -1.0

pO2 61.2

( 11 )

pH 7.31

pCO2 58.5

HCO3 26.1

B.E. +1.6

pO2 74.5

( 12 )

pH 7.46

pCO2 34.0

HCO3 26.0

B.E. +2.0

pO2 43.8

( 13 )

pH 7.44

pCO2 27.8

HCO3 19.2

B.E. -4.0

pO2 100

( 14 )

pH 7.36

pCO2 75.1

HCO3 40.6

B.E. +11.9

pO2 65.2

( 15 )

pH 7.44

pCO2 48.0

HCO3 32.6

B.E. +7.3

pO2 63.6

( 16 )

pH 7.18

pCO2 42.0

HCO3 15.0

B.E. -12.5

pO2 69.0

( 17 )

pH 7.36

pCO2 30.0

HCO3 15.0

B.E. -12.0

pO2 80.0

( 18 )

pH 7.42

pCO2 39.0

HCO3 25.4

B.E. +1.1

pO2 92.0

( 19 )

pH 7.52

pCO2 31.0

HCO3 26.4

B.E. +2.7

pO2 100

( 20 )

pH 7.08

pCO2 54.0

HCO3 15.0

B.E. -15.5

pO2 54.0

 

Arterial Blood Gas Answer Key


  1. Partially Compensated Metabolic Acidosis with normal oxygenation.
  2. Uncompensated Metabolic Acidosis with severe hypoxemia.
  3. Partially Compensated Metabolic Alkalosis with hypoxemia.
  4. Combined Metabolic and Respiratory Acidosis with severe hypoxemia.
  5. Partially Compensated Metabolic Acidosis -the patient is hyperventilating, causing an elevated PaO2.
  6. Combined Metabolic and Respiratory Acidosis with severe hypoxemia.
  7. Fully Compensated Respiratory Alkalosis with hypoxemia.
  8. Partially Compensated Respiratory Acidosis with Severe hypoxemia.
  9. Uncompensated Metabolic Alkalosis with hypoxemia.
  10. Normal Arterial Blood Gas with hypoxemia.
  11. Uncompensated Respiratory Acidosis with hypoxemia.
  12. Uncompensated Respiratory Alkalosis with severe hypoxemia.
  13. Fully Compensated Respiratory Alkalosis with normal oxygenation.
  14. Fully Compensated Respiratory Acidosis with hypoxemia.
  15. Fully Compensated Metabolic Alkalosis with hypoxemia.
  16. Uncompensated Metabolic Acidosis with hypoxemia.
  17. Fully Compensated Metabolic Acidosis with normal oxygenation.
  18. Normal Arterial Blood Gas with normal oxygenation.
  19. Combined Alkalosis with normal oxygenation.
  20. Combined Acidosis with hypoxemia.
The Student Nurse Information Center accepts no responsibility for the level of accuracy of the above content. It is recommended that you refer to other sources for questionable answers to the review.
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