Estimated oxygen delivery

Question 1

nasal cannula

Answer 1

1 = 23/24%
2 = 24-28%
3= 28-32%
4= 32-36%
5= 40%

Question 2

Simple face mask

Answer 2

5 =. 30%
6 = 40-50 %
8 = 55-60%

Question 3

Mask with reservoir bag

Answer 3

higher concentration because there is a reservoir of oxygen
10 = 80-90%
12= 90%
15 = 90%

Question 4

Humidification

Answer 4

single doses of nebuliser saline
have been shown to assist with sputum clearance
should be considered with patient son high flow of oxygen for more than 24 hours