Pulmonary Function Testing Flashcards
1
Q
What effort dependent tests are there for pulmonary testing?
A
FEV
FVC
Spirometry
2
Q
What effort independent tests are there for pulmonary testing?
A
Helium/N2 washout static lung volumes
Whole body Plethysmography
Impulse Oscillometry
3
Q
What are the features of obstructive disease in spirometry?
A
e.g. asthma/ COPD
Low Peak expiratory flow rate
Low FEV1
Low FVC in COPD - Normal in Asthma
FEV1/FVC ratio 15%(Asthma)
4
Q
What are the features of restrictive disease in spirometry?
A
Normal PEFR FEV1 reduced FVC reduced FEV1/FVC ratio >75% No response to Beta 2 agonist
5
Q
What is the sign of restrictive obstructive disease?
A
Low FEV1
Low FVC
Low FEV1/FVC ratio
6
Q
What is the normal ratio of the FEV1/FVC?
A
75%-80%
7
Q
What are the conditions related to an Obstructive spirometry pattern?
A
COPD
Asthma
8
Q
What conditions are related to a restrictive spirometry pattern?
A
Lung Fibrosis Sarcoidosis Pneumoconiosis Pneumonia Pleural effusion Obesity Connective tissue diseases - Marfans
