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6.4 Test type 'MVV'
•
Insert a spirette™ into the instrument. Ensure that the arrow on the spirette™ is lined up with
the arrow on the instrument.
•
Press ENTER when the patient is ready. You will now hear the sensor buzz.
•
The instrument now prompts you to avoid flow in the spirette™ while it is setting the baseline.
It is advisable to block off the spirette™ at one end to ensure precise setting of the baseline. An
audible signal sounds when the baseline is set.
•
The patient must then insert the spirette™ into his or her mouth and must fully inhale and ex-
hale for an uninterrupted period of at least 12 seconds.
6.5 Test type 'OSHA Cotton Dust'
This test type is available only if 'North America' has been selected as the region (see Chapter 4.3). The
procedure for conducting the test is equivalent to that for test type 'FVC (Expiration)'. The quality crite-
ria applied and the printout correspond to the specifications of the American Occupational Health and
Safety Administration (OSHA) [2].
6.6 Test type 'Disability'
This test type is available only if 'North America' has been selected as the region (see Chapter 4.3). The
procedure for conducting the test is equivalent to that for Test type 'FVC (Expiration)'. A calibration
check is required before conducting the actual spirometry test. The quality criteria applied and the
printout correspond to the specifications of the American Social Security Administration Disability
(SSD) Guidelines [3].
6.7 'Post' test
The Post-Test is usually performed to determine the response to bronchodilating asthma medication.
This is done by treating the patient with a bronchodilator after having performed a FVC or FVL test. Ap-
proximately 10 to 20 minutes after the medication (when bronchodilator shows effect) a second FVC or
FVL test ("post-Test") is performed. The results of the pre-test and the post test are then compared on
the result screen and on the test report. Post-Tests can only be added to previous tests on the same
day.
6.8 Quality messages
The table below lists all quality messages that may be displayed at the end of a test:
Note
Don't hesitate
Breathe out faster
Breathe out longer
Good effort, do
next
Breathe out harder
(only in Frontline
mode)
Note relates to
...quality of the last test
...quality of the last test
...quality of the last test
...quality of the last test
...reproducibility of the
spirometry maneuvers.
PEF not reproducible
Suggestion for improvement
The patient should exhale all at once, and not in steps.
The patient must exhale explosively, as hard and
quickly as possible
The patient has stopped exhaling too early. The patient
must exhale still further and force as much air as possi-
ble out of his or her lungs.
Good try. Just one to two further good tries and the test
is complete.
The test differs greatly from the previous tests. The
patient can breathe out even harder and achieve a
higher peak flow.
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