List Of Quality Grades For Tests - NDD EasyOne Pro Operator's Manual

Performing lung function tests
Code Affecting Test type
67 MBW
68 MBW
69 MBW
70 MBW
71 DLCO
99 All
 Quality messages for trials
6.8.3

List of quality grades for tests

Rating Criteria
A At least 3 acceptable trials (for age 6 and under: 2 acceptable) AND the difference between the best two FEV
and FVC values is equal to or less than 100 mL (80 mL if FVC < 1.0 L) (for age 6 and under: 80 mL or 8% of FVC
or FEV whichever is greater)
1
B At least 3 acceptable trials (for age 6 and under: 2 acceptable) AND the difference between the best two FEV
and FVC values is equal to or less than 150 mL (100 mL if FVC < 1.0 L) (for age 6 and under: 100 mL or 10% of
FVC or FEV whichever is greater)
1
C At least 2 acceptable trials AND the difference between the best two FEV
than 200 mL (150 mL if FVC < 1.0 L) (for age 6 and under: 150 mL or 15% of FVC or FEV
D (1) At least 2 acceptable trials but the results are not reproducible according to 'C'.
Quality message: Result not reproducible
D (2) Only one acceptable trial
Quality message: Only one acceptable trial
F No acceptable trial available
 Quality grades for the FVC test, the FVL test, and the OSHA test
Operator's Manual V5.0 • EasyOne Pro/LAB Rev. 05
© ndd Medizintechnik AG • Technoparkstrasse 1, 8005 Zurich, Switzerland • www.ndd.ch
Description
Error (67): Check gas supply and breathe regularly.
Side-stream time-delay incorrectly determined.
Check complete gas connection and valve assembly, and that test is performed
correctly (breathe regularly).
Error (68): Not enough breaths for washout analysis.
Not enough breaths for washout analysis detected.
Repeat the test without stopping it early.
Error (69): Check gas supply and check for leaks.
Leak or wrong test gas detected.
Test gas, gas supply and check for leaks.
Error (70): Check gas supply, check for leaks and breathe regularly.
Unable to evaluate Multi-Breath-Washout.
Breathe regularly. Check complete gas supply and check for leaks.
Error (71): Allow device to warm up.
CO sensor drift detected.
Allow the CO sensor to warm up. If error reappears, contact service.
Error: Invalid trial.
Quality grades help you as the operator to assess the quality of a completed
test.
Quality grades for the FVC test and the FVL test
and FVC values is equal to or less
1
whichever is greater)
1
1
1
93
92/171