NDD EasyOne Air Operator's Manual page 33

Introduction
Parameter Parameter description
FEV /FVC Ratio of FEV
.5
FEV Forced expiratory volume after 0.75 seconds
.75
FEV /FVC Ratio of FEV
.75
FEV Forced expiratory volume after 1 second
1
FEV /FEV Ratio of FEV
1 6
FEV /FIV Ratio of FEV
1 1
FEV /FVC Ratio of FEV
1
FEV /VC Ratio of FEV1 to VC (VC taken from SVC test)
1
FEV Forced expiratory volume after 3 seconds
3
FEV /FVC Ratio of FEV
3
FEV Forced expiratory volume after 6 seconds
6
FIF Forced inspiratory flow at 25% of vital capacity—synonymous with MIF
25
FIF Forced inspiratory flow at 50% of vital capacity—synonymous with MIF
50
FIF /FEF Ratio of FIF
50 50
FIF Forced inspiratory flow at 75% of vital capacity—synonymous with MIF
75
FIV Forced inspiratory volume after 0.25 seconds
.25
FIV Forced inspiratory volume after 0.5 seconds
.5
FIV Forced inspiratory volume after 1 second
1
FIVC Forced inspiratory vital capacity
FVC Forced expiratory vital capacity
FVC Forced expiratory vital capacity after 6 seconds
6
IC Inspiratory capacity from end of tidal breathing
IRV Inspiratory reserve volume
LCI Lung clearance index at airway opening
ao
Lung Age calculated age of the average healthy individual who would perform similar to tested
patient on spirometry
MEF Mean expiratory flow at 80% of vital capacity—synonymous with FEF
20
MEF Mean expiratory flow at 75% of vital capacity—synonymous with FEF
25
MEF Mean expiratory flow at 60% of vital capacity—synonymous with FEF
40
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
MVV Maximum voluntary ventilation
 Parameters
Operator's Manual V03 • EasyOne Air • EasyOne Connect
© ndd Medizintechnik AG • Technoparkstrasse 1, 8005 Zurich, Switzerland • www.ndd.ch
to FVC
.5
to FVC
.75
to FEV
1 6
to FIV
1 1
to FVC
1
to FVC
3
to FEF
50 50
75
50
25
80
75
60
50
40
25
10
75
50
25
25-75
Unit
–
L
–
L
–
–
–
–
L
–
L
L/s
L/s
–
L/s
L
L
L
L
L
L
L
L
–
Years
L/s
L/s
L/s
L/s
L/s
L/s
L/s
L/s
L/s
L/s
L/s
L/min
9000007/03
36
33/105