CareFusion MicroLoop Manuel D'utilisation page 22

Once tidal breathing is complete the
display will change and an audible beep
heard to instruct the patient to start
rapid fast breathing. The start button
should be touched using the stylus to
start registering the MVV manoeuvre.
The current manoeuvre will be
displayed in black, during the
manoeuvre the breath rate (BR) will
be displayed in green if the breath
rate is acceptable (> 65 breaths per
min) if the breath rate falls below this
level it will be displayed in red to show
the operator that the patient needs to
be instructed to breath harder and
faster during the manoeuvre. After
12 seconds of hard, fast and rapid
breathing the display will show a
green line indicating 12 seconds of the
manoeuvre have elapsed – the patient
should be encouraged to continue
until the display changes to signify the
end of the test. The MVV rate, the %
variation between manoeuvres the
breath rate and an ATS quality
warning for the manoeuvre will be
displayed.
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