COPD 3 - Ix + Dx Flashcards
1
Q
There is no single Dx test for COPD
Dx can be clinical if there are ? Sx in someone over ? in the presence of a RF eg ? or an ? exposure
everyone suspected should then undergo which 3 important Ix?
A
typical 35 smoking occupational FBC post bronchodilator spirometry CXR
2
Q
Post-bronchodilator spirometry - confirm Dx and assess ?
- stage 1 - mild - FEV1 ?% predicted - with these values a Dx can only be made ?
- stage 2 - mod - FEV1 50-?% predicted
- stage 3 - severe - FEV1 ?-49% predicted
- stage 4 - v sev - FEV1 % predicted
A
severity 80 clinically 79 30 30
3
Q
CXR - why done?
- classically find ? (>? anterior and >? posterior ribs)
- ? hemidiaphragms
- ? central pulm arteries
- reduced peripheral ? ? and may find ?
FBC - to identify ? or secondary ?
A
to r/o other pathology hyperinflation 6 10 flattened large vascular markings bullae
anaemia
polycythaemia
4
Q
Further tests may include:
sputum ? - ? organisms may suggest ?
ECG - signs of ?/? hypertrophy if cor pulmonale
ABG - normal in ? disease, developing to ?/? ? failure, chronic ? respiratory ?
DLCO (diffusion capacity of the lung for CO) is ? in emphysema
A
culture abnormal bronchiectasis RA/RV mild T1/2 RF compensated acidosis reduced
