Definition Of Parameters - NDD EasyOne Operator's Manual

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7 Definition of Parameters

FVC
FIVC
FEV1
FEV6
FEV1/FVC
FEV1/VC
FEV1/FEV6
MEF 25
MEF 50
MEF 75
MEF 25-75
PEF
PIF
FET
PRE/POST% variation
LLN
BEV
VT
ERV
IRV
VC or VCmax
VCex
VCin
IC
MVV
Lung Age
Forced Vital Capacity (expiratory)
Forced Vital Capacity (inspiratory)
Forced Expiratory Volume (1 sec).
Forced Expiratory Volume (6 sec).
Ratio of FEV1 to FVC
Ratio of FEV1 to VC taken from SVC test
Ratio of FEV1 to FEV6
Mid Expir. Flow at 75% of Vital capacity
Mid Expir. Flow at 50% of Vital capacity
Mid Expir. Flow at 25% of Vital capacity
Mid Expir. Flow at 25%-75% of Vital capacity
Peak Expiratory Flow (in l/min or l/sec)
Peak Inspiratory Flow
Forced Expiratory Time
Percentage variation of measured values before and
after bronchial spasmolysis
Lower Limit of Normal
Back Extrapolated Volume
Tidal Volume
Expiratory Reserve Volume
Inspiratory Reserve Volume
Maximum Vital Capacity
Expiratory Vital Capacity
Inspiratory Vital Capacity
Inspiratory Capacity
Maximum Voluntary Ventilation (per min.)
Lung Age, see Chapter 17,
(8)
for reference
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