Blood Gasses

Question 1

PaCO2

Answer 1

Carbon dioxide in the blood

Question 2

Materials for blood gas sample

Answer 2

1. Heparinized syringe
2. 25 g needle
3. Evacuate air
4. Rubber stopper (keep air out)

Question 3

Since blood gas samples are arterial, what is important to remember after taking the sample

Answer 3

Hemostasis ALAIT

Question 4

How to keep an arterial blood gas sample stable

Answer 4

10 min at room temperature
or 6 hours on ice

Question 5

Blood gas result PaO2 and Paco2 awake

Answer 5

PaO2: 90-115 mm Hg (96-99% SpO2)
PaCO2: <45 mm Hg

Question 6

Blood gas result (PaO2) anesthetized

Answer 6

PaO2: >400 mm Hg
PaCO2: 45-60 mm Hg

Question 7

Blood gas result PaO2 hypoxia + PaCO2 hypoventilation

Answer 7

PaO2 hypoxia: < 60 mm Hg (90-92% SpO2)
PaCO2 hypoventilation: > 60 mm Hg

Question 8

What drives respiration

Answer 8

CO2

Question 9

Four blood gas results

Answer 9

1. PaO2
2. PaCO2
3. pH
4. HCO3

Question 10

pH level during anesthesia

Answer 10

acidotic 7.2-7.3