EasyOne Pro™ / EasyOne Pro™ LAB
85
Quality Messages and Quality Grades
5.7 Definition of Important Parameters
FVC
Forced Vital Capacity
(expiratory)
forced expiratory vital
capacity
FIVC
Forced Vital Capacity
(inspiratory)
forced inspiratory vital
capacity
FEV1
Forced Expiratory Volume
(1 s)
forced expiratory volume
after 1 second
FEV6
Forced Expiratory Volume
(6 s)
forced expiratory volume
after 6 seconds
FEV1/FVC
ratio of FEV1 to FVC
FEV1/VC
max
ratio of FEV1 to VC
max
FEV1/FEV6
ratio of FEV1 to FEV6
FEF 50
(MEF 50)
Mid-Expiratory Flow (50%)
flow at 50% of expiratory
vital capacity
FEF 25-75
Mid-Expiratory Flow (25%-
75%)
flow at 25% to 75% of
expiratory vital capacity
PEF
Peak Expiratory Flow
peak expiratory flow
PIF
Peak Inspiratory Flow
peak inspiratory flow
VT
Tidal Volume
Tidal volume at rest
ERV
Expiratory Reserve Volume
expiratory reserve volume
IRV
Inspiratory Reserve
Volume
inspiratory reserve volume
VCmax
Maximum Vital Capacity
maximum vital capacity of
an SVC, FVC, FVL or DLCO
test
VCex
Expiratory Vital Capacity
expiratory vital capacity of
a slow spirometric test
VI
Inspiratory Vital Capacity
inspiratory vital capacity of
a slow spirometric test
IC
Inspiratory Capacity
inspiratory capacity
(VT + IRV)