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IQmark Digital Spirometer Operation Manual
45
numbers have stopped rising, instruct the patient to inhale maximally or click the Stop
button or press the Enter key to complete the test. Both actions will end the test.
The program automatically “grades” the test according to ATS criteria.
Test Accepted Dialog Box
After each completed test, the Test Accepted dialog box appears. The acceptability
statement is also displayed with Yes or No automatically selected.
IMPORTANT – The acceptability statements are to be used as recommendations or
guidelines and do not mean that a test must be accepted or rejected. It is up to you to
decide if the effort performed is acceptable. You can override the software selection and
choose Accept if you determine the effort is good. After deciding to accept or reject a
test, click Yes to perform another test or No to stop testing.
These acceptability statements are based on the recommendations of the ATS.
Acceptability Statements
The following table lists the acceptability statements you might see during FVC testing.
Please remember, these are recommendations and not requirements. Please use your own
judgment when deciding to accept or reject a test.
ATS Acceptability Statement Criteria Comment Displayed
Good test Meets all the criteria listed
below.
Good test!
Hesitating start Extrapolated volume > 5% of
FVC, or greater than 0.150
liters, whichever is greater.
Hesitation detected:
Blast out faster; blast
out harder
Test too short Test did not last at least X
seconds from start of expiration
Blow out longer
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