PULMONARY FUNCTION TESTS

Volume of air in the lungs after a maximal inspiration:

Total Lung Capacity

(all the air you can breathe in)

TLC decreases with:

Kyphosis

Lobectomy

Volume of air inhaled and exhaled in a normal, quiet breath:

Tidal volume

Maximal amount of air that can be forcefully inhaled after a normal inspriation:

Inspiratory Reserve Volume (IRV)

Maximal amount of air that can be forcefully expelled from the lungs after a normal expiration:

Expiratory Reserve Volume (ERV)

Volume of air remaining in the lungs after a maximal, full expiration:

Residual volume (RV)

Volume of air that can be inspired after a resting expiration:

Inspiratory Capacity (IC)

Volume of air that can be exhaled from the lungs after a maximal inspiration:

Vital capacity (VC)

Amount of air expired after a full inspiration, in one second:

Forced Expiratory Volume (FEV)