PFTs Flashcards
0
Q
What is FEV1
A
Forced expiratory volume in 1 second. Measure of flow rate.
1
Q
What is FvC
A
Forced vital capacity. Volume inhaled and exhaled. Air you can move. Can compare to norm for age, height, race, gender.
2
Q
Fev1/FVC
A
If < 0.7 sign obstructive disease. Can’t blow out quickly compared to total air blowing out.
3
Q
Which airways important in pulmonary dysfunction? Why?
A
Small airways not effort dependent.
4
Q
Causes restrictive disease?
A
Lung fibrosis Trunk muscle fibrosis Trunk hypo mobility Diaphragm paralysis Scoliosis Obesity
