Abbreviations
Abbreviations
The following are some common abbreviations from pulmonary function testing; they should always be expanded at first mention:
Term |
Expansion |
Typical Unit of Measure |
---|---|---|
CC |
closing capacity |
L |
CV |
closing volume |
L |
ERV |
expiratory reserve volume |
L |
FEF |
forced expiratory flow |
L/min |
FEF25%-75% |
FEF, midexpiratory phase |
L/min or L/s |
FEF200-1200 |
FEF between 200 and 1200 mL of forced vital capacity (FVC) |
L/min or L/s |
FEV |
forced expiratory volume |
L |
FEV1 |
FEV in first second of expiration |
L |
FIVC |
forced inspiratory vital capacity |
L |
FRC |
functional residual capacity |
mL or L |
FVC |
forced vital capacity |
L |
IRV |
inspiratory reserve volume |
L |
IVC |
inspiratory vital capacity |
L |
MVV |
maximum voluntary ventilation |
L/min |
PEF, PEFR |
peak expiratory flow rate |
L/min |
RV |
residual volume |
L |
TLC |
total lung capacity |
L |
VC |
vital capacity |
L |