oxygen therapies Flashcards
1
Q
general target oxygen saturation?
A
94-98%
2
Q
which criteria would result in a goal ox sat of 88-92 %
A
- patient has type II resp failure
- stage 3 or 4 COPD
- the patient wears a BPAP at night
- they have previous documented sats around the same level
3
Q
when do you start administering oxygen to a patient via non-rebreather?
A
when O2 is less than 85
4
Q
what is the minute volume?
A
volume of air your lungs displace in a minute
5
Q
MV =
A
TV x RR
6
Q
options for long term oxygen therapy
A
- an oxygen cylinder
- portable device called a concentrator
7
Q
how does a concentrator work?
A
removes nitrogen from the air therefore increasing oxygen content
8
Q
indications for commencing long term oxygen?
A
- PaO2 < 7.3
- OR PaO2 <8 with any of the following:
- polycythemia
- peripheral edema
- pulmonary hypertensions
OR palliative reasons
