Vitalograph ALPHA Touch - Page 17

09100 Issue 1
17Page of 36
ENG
ALPHA Touch - Instructions for Use
FIF 25 Forced inspiratory ow at 25% of the FVC (L/sec)
FIF 50 Forced inspiratory ow at 50% of the FVC (L/sec)
FIF 75 Forced inspiratory ow at 75% of the FVC (L/sec)
MVVind
Maximum voluntary ventilation indirectly
calculated from the FEV1 (L/min)
FMFT Forced mid-expiratory ow time (sec)
FET Forced expiratory time (sec)
Vext Extrapolated volume (L)
FRC Functional residual capacity (L)
TV Tidal volume (L)
RV Residual volume (L)
TLC Total lung capacity (L)
IRV Inspiratory reserve volume (L)
ERV Expiratory reserve volume (L)
IC Inspiratory capacity (L)
Rind Airways Resistance Indirect measurement.
FIVC/FVC Ratio FIVC of FVC
FEV.5/FVC Ratio FEV 0.5 of FVC
FEV1/FEV6 Ratio FEV1 of FEV6
FEV1/FVC Ratio FEV1 of FVC
FEV1/VC Ratio FEV1 of VC
FEV1/PEF FEV1 divided by PEF (L/L/s)
FEV3/VC Ratio FEV3 of VC
FEV3/FVC Ratio FEV3 of FVC
FEF 25-75/FVC F2575/F) Ratio FEF 25–75 of FVC
FIV1/FVC Ratio FIV1 of FVC
FIV1/FIVC Ratio FIV1 of FIVC
FIF50FEF50 Ratio FIF 50% of FEF 50%
FEV75/FVC Ratio FEV 0.75 of FVC
FEV1/FIVC Ratio FEV1 of FIVC
FEV1/IVC Ratio FEV1 of IVC
FEV1R
FEV1 divided by the largest VC from the VC or
FVC manoeuvre.