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DATOSPIR TOUCH User’s Manual 59
511-B00-MU2 • REV. 1 .09
MTT (s) Mean Transit Time
PEF/PIF (-) Ratio
Vext (%) Extrapolated Volume
MVVInd (l/min) Maximum Voluntary Ventilation (30 x FEV1)
FEV6 (l) Forced Expiratory Volume in 6seconds
FEV1/FEV6 (%) Ratio
EPOC rate Parameter that depends on the number of cigarettes
smoked a day, the age and FEV1. Indicates the risk of EPOC.
Lung Age Parameter that depends on the height and FEV1. This
indicates the equivalent age of the lung.
FEV075
Forced Expiratory Volume in 0.75 seconds
FEV075
/FVC (-) Ratio
Quality alerts to assure compliance with ATS/ERS and NLHEP
criteria
Acoustic and graphic indication of the start and end of each
maneuver
Start FVC expiration: Using the retrograde extrapolation method
End FVC expiration: When the volume accumulated in the last
second is below 25ml.
BRONCHODILATATION TEST
Same parameters and characteristics as in FVC.
Several methods of comparison among PRE, POST and REF
values.
Superimposing of PRE and POST graphs.
SLOW VITAL CAPACITY
VC (l) Slow vital capacity
TV (l) Tidal volume
ERV (l) Expiratory Residual Volume
IRV (l) Inspiratory Residual Volume
IC (l) Inspiratory Capacity
Ti (s) Inspiratory time
Te (s) Expiratory time
Tt (s) Total time
Ti/Tt (-) Ratio