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