Arterial Blood Gases lab values

Question 1

pH

Answer 1

7.35-7.45

Question 2

PCO2

Answer 2

35-45 mm Hg

Question 3

PO2

Answer 3

80-100 mm Hg (dependent on age and altitude)

Question 4

PaO2 (partial pressure of oxygen in the arterial blood)

Answer 4

80-100 mm Hg

Question 5

PvO2 (partial pressure of oxygen in the venous blood)

Answer 5

28-48 mm Hg

Question 6

Pulse Oximetry (SpO2)

Answer 6

90%-100%, 85%-89% is acceptable for certain chronic disease conditions; less than 85% is abnormal.

Question 7

HCO3 (bicarbonate)

Answer 7

21-28 mEq/L

Question 8

Base Excess

Answer 8

0 + 2 mEq/L