| Subject | French | English |
| med. | DEM50 | forced expiratory flow at 50% of vital capacity |
| med. | DEM50 | MEF50 |
| med. | DEM25 | forced expiratory flow at 25% of vital capacity |
| med. | DEM25 | MEF25 |
| med. | DEM25-75 | forced expiratory flow during the middle half of the forced vital capacity |
| med. | DEM25-75 | forced expiratory flow 25-75%, maximum midexpiratory flow rate, FEF25-75, FMF25-75, MMEF25-75, MMF, MMFR |
| med. | DEM25 | maximum expiratory flow at 25% of vital capacity |
| med. | DEM25 | FEF25 |
| med. | DEM50 | maximum expiratory flow at 50% of vital capacity |
| med. | DEM50 | FEF50 |
| med. | débit expiratoire maximal moyen,DEM25-75 | forced expiratory flow during the middle half of the forced vital capacity |
| med. | débit expiratoire maximal moyen,DEM25-75 | forced expiratory flow 25-75%, maximum midexpiratory flow rate, FEF25-75, FMF25-75, MMEF25-75, MMF, MMFR |
| med. | débit expiratoire maximal à 75% de la capacité vitale,DEM75 | MEF75 |
| med. | débit expiratoire maximal à 75% de la capacité vitale,DEM75 | maximum expiratory flow at 75% of vital capacity |
| med. | débit expiratoire maximal à 75% de la capacité vitale,DEM75 | forced expiratory flow at 75% of vital capacity |
| med. | débit expiratoire maximal à 75% de la capacité vitale,DEM75 | FEF75 |
| law | taxe de traitement en DEM | handling fee in DEM |