Spirometry Measurements
Relaxed Expiratory Vital Capacity (VC)
Forced Expired Volume in 0.75 seconds (FEV.75)
Forced Expired Volume in 1 second (FEV1)
Forced Expired Volume in 3 second (FEV3)
Forced Expired Volume in 6 seconds (FEV6)
Forced Vital Capacity (FVC)
Peak Expiratory Flow Rate (PEF)
FEV
0.75
as a percentage of VC (FEV.75/VC)
FEV
0.75 as
a percentage of FVC (FEV.75/FVC)
FEV
1
as a percentage of VC (FEV1/VC)
FEV
1
as a percentage of FVC (FEV1/FVC)
FEV
3
as a percentage of VC (FEV3/VC)
FEV
3
as a percentage of FVC (FEV3/FVC)
FEV
0.75
as a percentage of FEV6 (FEV.75/FEV6)
FEV1
as a percentage of FEV6 (FEV1/FEV6)
Maximum Expired Flow at 75% of FVC remaining (MEF75)
Maximum Expired Flow at 50% of FVC remaining (MEF50)
Maximum Expired Flow at 25% of FVC remaining (MEF25)
Mean Mid-Expiratory Flow Rate (MMEF)
Forced expiratory flow at 50% of volume as a percentage of VC (FEF50/VC)
Forced expiratory flow at 50% of volume as a percentage of FVC (FEF50/FVC)
Maximal voluntary ventilation indicated (MVV
(ind)
)
Forced inspired volume in 1 second (FIV1)
Forced inspiratory Vital Capacity (FIVC)
Peak Inspiratory Flow Rate (PIF)
FIV
1
as a percentage of FIVC (FIV1/FIVC)