Tests Flashcards
1
Q
What are 2 effort dependent tests?
A
peak flow & spirometry
2
Q
True/False:
for peak flow test, an average of the 3 attempts is used?
A
False:
best of 3 is used
3
Q
What test measures FEV1 and FVC?
A
spirometry
4
Q
what does FEV1/FVC ratio help determine?
A
severity of airflow obstruction
5
Q
A FEV1/FVC ratio result of…
- 75-80%
- reduced FEV1 and <75% ratio
- reduced FVC but normal ratio
indicates. ..
A
1= normal 2= obstructive defect 3= restrictive defect
6
Q
What is the main effort independent test used?
A
Pulse oximetry
7
Q
what PaO2 stat should be worrying?
A
<92% in normal patient, <88% in COPD patient
8
Q
what is the main gas diffusion test?
A
ABGs
9
Q
Provide the normal ranges for pH, PaO2, PaCO2…
A
pH: 7.35-7.45
PaO2: 10.5-13.5kPa
PaCO2: 4.5-6kPa
10
Q
True/False:
PaCO2 of <4.5 indicates hypoventilation?
A
False:
PaCO2 of <4.5= hyperventilation
PaCO2 of >6= hypoventilation