Pulmonary function tests Flashcards
1
Q
Explain spirometry graph in an asthmatic?
A
- FVC normal
- FEV1 reduced
- obstructive presentation
2
Q
Explain spirometry graph in a COPD patient
A
- FVC reduced
- FEV1 reduced
- obstructive pattern
3
Q
What are some examples of bronchial challange testing?
A
- exercise testing
- histamine
- allergens and chemicals
4
Q
What are 2 forms of effort independent tests?
A
- N2 washout
- DLCO
5
Q
When might DLCO be reduced?
A
- emphysema
- anaemia
6
Q
How can you calculate residual volume?
A
- N2 washout