Vitalograph Spirotrac Instructions for Use
IFU Part No.: 07402
Issue 22
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Page 42 of 78 DT_0006-15
information are displayed - acceptability information for that test and session
reproducibility information for the session to date, as follows:
Test Acceptability
This section contains information on the acceptability of this single blow. The
messages that appear in this section are:
The extrapolated volume is greater than 5% of the FVC or 0.15L
(whichever is the highest)
Min exhalation time not met
A longer test manoeuvre was expected,
Either
the subject is greater than 10 years of age and the test manoeuvre
was less than 6 seconds long
Or
the subject is less than or equal to 10 years of age and that test
manoeuvre was less than 3 seconds long
No expiratory flow plateau
The cumulative change in volume over any 1 second of the test
manoeuvre was not less than 0.025L
After PEF was reached, a drop in the flow value of at least 50%
and a recovery of at least 1L/s occurred within the first second of
During FVC testing the test quality criteria information can be viewed by selecting the
Test QA tab.
indicates that the test passed the specific acceptability criteria.
indicates that the acceptability did not pass for these criteria.
Note: 'User Defined Artefact free' will remain blank until the User Acceptability on the
Parameters tab is selected, it will be populated with
if 'Accept' is selected, or
if
'Reject' is selected.
Session Quality/Reproducibility Information
This section contains information on the quality of the session so far. The messages
that appear in this section are:
Message displayed Reason
FVC is not repeatable
The largest FVC and second largest FVC (or FEV6) from the
acceptable blows in the current session vary by more than 0.15 L.
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