34
Indices
Definition
FVC Test
FEF 75
Forced expiratory flow at 75% of the FVC (L/sec)
FIVC
Forced inspiratory vital capacity (L)
FIVC/FVC
(FIVC/F%)
Percentage FIVC of FVC (%)
PIF L/s
Peak inspiratory flow (L/sec)
PIF L/min
Peak inspiratory flow (L/min)
FIF 25
Forced inspiratory flow at 25% of the FVC (L/sec)
FIF 50
Forced inspiratory flow at 50% of the FVC (L/sec)
FIF 75
Forced inspiratory flow at 75% of the FVC (L/sec)
FIF50/FEF50
(FIF/FEF%)
Percentage FIF 50% of FEF 50% (%)
MVVind
Maximum voluntary ventilation indirectly calculated
from the FEV (L/min)
FMFT
Forced mid-expiratory flow time (sec)
FET
Forced expiratory time (sec)
Vext
Extrapolated volume (ml)
Vext/FVC
(Vext/F%)
Percentage extrapolated volume of FVC (%)
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)
VC Test
VC
Vital capacity (L)
Body Mass
Index
BMI
Body Mass Index (kg/[Height(m)]
2
)
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