Arterial Blood Gases

Question 1

PaO2

Answer 1

80-100 mmHg

• Measurement of O2 in blood, aka how well oxygen can enter from lungs
• low = poor oxygenation of arterial blood

Question 2

HCO3

Answer 2

22- 26 mEq/L

-Measurement of bicarb in blood

Question 3

SaO2

Answer 3

-95-100 %

• (aka measured with SpO2)
• % hemoglobin saturated with oxygen

Question 4

pH

Answer 4

7.35-7.45

• measurement of hydrogen ions in the blood
• lungs and kidneys compensating to maintain normal

Question 5

PaCO2

Answer 5

35-45 mmHg

-measurement of carbon dioxide in blood