NDD EasyOne Pro Operator's Manual page 33

Introduction
Parameter Parameter description
MEF Mean expiratory flow at 50% of vital capacity—synonymous with FEF
50
MEF Mean expiratory flow at 40% of vital capacity—synonymous with FEF
60
MEF Mean expiratory flow at 25% of vital capacity—synonymous with FEF
75
MEF Mean expiratory flow at 10% of vital capacity—synonymous with FEF
90
MIF Mean inspiratory flow at 75% of vital capacity—synonymous with FIF
25
MIF Mean inspiratory flow at 50% of vital capacity—synonymous with FIF
50
MIF Mean inspiratory flow at 25% of vital capacity—synonymous with FIF
75
MMEF Mean mid-expiratory flow—synonymous with FEF
MTC (FEF - FEF
1 75
MTC (FEF - FEF
2 50
MTC FEF * 4 / FVC
3 25
MTCR Ratio of MTC
M Moment 0, value from nitrogen washout moment analysis
0
MR Moment ratio 1, ratio of moment 1 to moment 0, value from nitrogen washout
1
moment analysis
MR Moment ratio 2, ratio of moment 2 to moment 0, value from nitrogen washout
2
moment analysis
MVV Maximum voluntary ventilation
MVV Maximum voluntary ventilation for 6 seconds
6
MVV Duration of the trial in seconds
time
O Conc O concentration of the DLCO test gas
2 2
PAO Manually entered arterial O
2
PEF Peak expiratory flow
PEFT Time to peak flow
PIF Peak inspiratory flow
Rf Respiratory frequency
RV Cor FVC, FEV corrected RV value
1
RV Residual volume, based on multi breath washout test
mb
RV Residual volume, based on single breath test
sb
RV/TLC Ratio of RV to TLC
RV/TLC Cor Ratio of RV to TLC Cor
RV/TLC Ratio of RV to TLC
mb
Sys Dead System dead space
Space
t Back-extrapolated start time of the trial
0
tI Inspiratory time of the DLCO test gas
TLC Cor FVC, FEV corrected TLC value
1
TLC Total lung capacity, based on multi breath washout test
mb
TLC Total lung capacity, based on single breath test
sb
TLCO CO diffusion capacity
 Parameters
Operator's Manual V5.0 • EasyOne Pro/LAB Rev. 05
© ndd Medizintechnik AG • Technoparkstrasse 1, 8005 Zurich, Switzerland • www.ndd.ch
) * 4 / FVC
50
) * 4 / FVC
25
to MTC
1 3
pressure
2
sb
mb
50
40
25
10
75
50
25
25-75
Unit
L/s
L/s
L/s
L/s
L/s
L/s
L/s
L/s
1/s
1/s
1/s
–
–
L/min
L/min
s
%mol
mbar
L/s
s
L/s
1/min
L
L
L
%
%
%
L
s
s
L
L
L
mmol/min/kPa
35
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