ABG

Question 1

Name 4 clinical indications for taking an ABG

Answer 1

• severe metabolic disturbances (DKA, Sepsis)
• after electrolyte transfusion
• 6 hourly with dialysis
• sedated pt

Question 2

Name 2 indications for NOT taking an ABG

Answer 2

• for checking BSL

- checking O2 sats

Question 3

what is the normal range for pH?

Answer 3

7.35- 7.45

Question 4

what is the normal range for PaO2?

Answer 4

80-100

Question 5

what is the normal range for PaCo2?

Answer 5

35-45

Question 6

what is the normal range for O2 saturations?

Answer 6

94-100

Question 7

what is the normal range for Base excess?

Answer 7

22-26

Question 8

what is the normal range for Lactate?

Answer 8

0.3 -1.2

Question 9

what is the normal range for Hb?

Answer 9

115-160

Question 10

which values in an ABG represents Respiratory acidosis?

Answer 10

pH <7.35 + PaCo2 >45mmHg

Question 11

which values in an ABG represents respiratory alkalosis?

Answer 11

pH >7.45 with PaCo2 <35mmhg

Question 12

which values in an ABG represents Metabolic acidosis?

Answer 12

pH <7.35 with a HCO3 <22 Eq/L

Question 13

which values in an ABG represents Metabolic alkolosis?

Answer 13

pH >7.45 with a HCO3 >26mEq/L

Question 14

which values in an ABG represents Oxygentation?

Answer 14

80-100mmHg