Oxygen Therapy Flashcards
1
Q
What is the flow rate through a nasal cannula?
A
1-6L
2
Q
What is the flow rate through a simple face mask?
A
5-10L
3
Q
What type of mask would you give someone with COPD?
A
Venturi
4
Q
Which type of mask delivers the highest concentration of oxygen?
A
Non-rebreathe (85%)
flow rate: 15L
5
Q
What does CPAP stand for?
How does it work and why is it important?
A
Continuous positive pressure
Delivers a low, continuous pressure. This keeps alveoli open, longer time for gas exchange
6
Q
When would you use BIPAP and when CPAP?
A
BIPAP: ventilation problem (COPD, atelactesis)
CPAP: oxygenation problem
C (OXXXygen)
E.g. sleep apnoea, HF
7
Q
Venturi mask valves
A
Blue: 24%
White: 28%
Yellow: 40%
Green: 60%
8
Q
What are normal target sats?
A
> 94%
9
Q
What are the target sats for someone with COPD?
A
88-92%
