| Device
|
L/min
|
% Oxygen
|
Comments
|
| Nasal Cannula |
1 |
24% |
|
|
2 |
28% |
|
|
3 |
32% |
|
|
4 |
36% |
|
|
5 |
40% |
|
|
6 |
44% |
|
| Venturi mask |
|
24-50% |
Increasing flow will not alter FiO2
|
| Oxygen tent |
10-15 |
21-50% |
Used mainly on children with croup or pneumonia
|
| Simple mask |
5-12 |
35-55% |
Never used at flows less than 5 L/min to prevent rebreathing of CO2
|
| Trach mask |
10-15 |
35-60% |
Adequate flow shown by mist flowing out the exhalation port at all times
|
| Partial rebreathing mask |
8-15 |
35-60% |
Flow rate must be sufficient to keep bag 1/3 to 1/2 inflated at all times
|
| Aerosol mask |
8-15 |
21-99% |
|
| Non-rebreathing mask |
8-15 (or max) |
60-99% |
Flow rate must be sufficient to keep bag 1/3 to 1/2 inflated at all times
|
