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
as a percentage of VC (FEV.75/VC)
0.75
FEV
as a percentage of FVC (FEV.75/FVC)
0.75
FEV
as a percentage of VC (FEV1/VC)
1
FEV
as a percentage of FVC (FEV1/FVC)
1
FEV
as a percentage of VC (FEV3/VC)
3
FEV
as a percentage of FVC (FEV3/FVC)
3
FEV
as a percentage of FEV
0.75
FEV
as a percentage of FEV
1
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
Forced inspired volume in 1 second (FIV1)
Forced inspiratory Vital Capacity (FIVC)
Peak Inspiratory Flow Rate (PIF)
FIV
as a percentage of FIVC (FIV1/FIVC)
1
Forced inspiratory flow at 25% of inhaled volume (FIF25)
Forced inspiratory flow at 50% of inhaled volume (FIF50)
Forced inspiratory flow at 75% of inhaled volume (FIF75)
(FEV.75/FEV6)
6
(FEV1/FEV6)
6
47
)
(ind)