Mean (range) Of Adult Normal ABG Values

Question 1

pH

Answer 1

7.4 (7.35-7.45)

Question 2

PaCO2

Answer 2

40 mmHg

35-45 mmHg

Question 3

PaO2

Answer 3

97 mmHg

80-100 mmHg

Question 4

HCO3

Answer 4

24 mEQ/L

22-26 mEQ/L

Question 5

SaO2

Answer 5

95-98%

Question 6

ABG results written

Answer 6

pH —> PaCO2 —> PaO2 —> HCO3-

Question 7

Acidemia

Answer 7

↑ acidity of blood (ph <7.35)

Question 8

Alkalemia

Answer 8

↓ acidity of blood (>7.45)

Question 9

Eucapnia

Answer 9

Normal level of CO2 in arterial blood (PaCO2 35-45 mmHg)

Question 10

Hypercapnia

Answer 10

↑ level of CO2 in arterial blood (PaCO2 > 45 mmHg)

Question 11

Hypocapnia

Answer 11

↓ level of CO2 in arterial blood (PaCO2 < 35 mmHg)

Question 12

Hypoxemia

Answer 12

↓ level of O2 in arterial blood (PaO2 < 80 mmHg)

Question 13

Mild Hypoxemia

Answer 13

↓ level of O2 in arterial blood (PaO2 60-79 mmHg)

Question 14

Moderate hypoxemia

Answer 14

↓ level of O2 in arterial blood (PaO2 40-59 mmHg)

Question 15

Severe hypoxemia

Answer 15

↓ level of O2 in arterial blood (PaO2 <40 mmHg)

Question 16

Hypoxia

Answer 16

Decreased level of O2 in tissue despite adequate perfusion of the tissue