Investigations Flashcards
1
Q
ABPA
A
- Eosinophilia
- Flitting CXR changes
- +ve RAST test for Aspergillus
- +ve IgG precipitins
- Raised IgE
2
Q
Churg-Strauss Syndrome/EGPA
A
P- ANCA +ve (60%)
3
Q
Pulmonary Arterial Hypertension
A
Right heart catheterisation
4
Q
IPF
A
- Restrictive spirometry
- impaired gas exchange (reduced transfer factor TLCO)
- CXR: b/l interstitial shadowing
- HRCT: small, irregular peripheral opacities ‘ground glass’ progressing to honey combing
- ANA +ve (30%) low titre
- rhF +ve (10%) low titre
5
Q
Restrictive spirometry
A
- FEV1 normal/decreased
- FVC decreased
- FEV1/FVC increased
6
Q
What test is most useful in determining IPF prognosis?
A
Carbon Monoxide Transfer factor (TLCO)
