Vitalograph copd-6 4000, Инструкция по эксплуатации

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3.3. Setting the Obstructive Index and COPD Classification
Zones
The device’s Obstructive Index and COPD Classification zones
are set to the GOLD (Global Initiative for Chronic Obstructive Lung
Disease) standard. It is unlikely that a user will need to change this,
however if change is required the instructions are outlined below.
The colour systems for each zone type are pre-set as follows:
FEV1%
Pred.
Obstructive
Index
COPD
Classification
FEV1/FEV6
Ratio and
FEV% Pred.
≥ 80% 0 (Green)
Not COPD
FEV1/FEV6
> 0.7
Top
Boundary
Stage I
FEV1/FEV6
< 0.70 and
FEV1 ≥ 80%
Pred.
< 80% 1 (Yellow)
Middle
Boundary
Stage II
FEV1/FEV6
< 0.70 and
FEV1 < 80%
Pred.
< 50% 2 (Orange)
Bottom
Boundary
Stage III
FEV1/FEV6
< 0.70 and
FEV1 < 50%
Pred.
< 30% 3 (Red) Stage IV
FEV1/FEV6
< 0.70 and
FEV1 < 30%
Pred.
To set the boundary percentage values for both the Obstructive
Index and COPD Classification zones together:
1. Turn device on, .