ATS Pulmonary Function Laboratory Manual

chapter  1

di diaphragm DM membrane diffusing capacity dyn dynamic

E E

elastance

E, exp

expired

EEL EPP ERV

end expiratory level equal pressure point

expiratory reserve volume

F F

female

f

frequency (e.g., respiratory)

FEF x%

forced expiratory flow when x% of forced expiratory vital capacity has been exhaled

FEF 25-75%

forced mid-expiratory flow

FET FEV t

forced expiratory time

forced expiratory volume in t seconds

FEV t% FVC forced expiratory volume in t seconds as a percentage of the forced vital capacity FVC, FEVC forced expiratory vital capacity FIVC forced inspiratory vital capacity FRC functional residual capacity, method of measurement to be specified

G G

conductance

Gaw airway conductance, the reciprocal of Raw (1/Raw) Gaw/Vl, (sGaw) specific airway conductance expressed per liter of lung volume at which G is measured H H, ht standing height Hb hemoglobin I I, insp inspiratory IC inspiratory capacity IRV inspiratory reserve volume

5