CareFusion MicroRPM, Operating Manual

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8
PImax (MIP) Test
Slide the MicroRPM switch from ‘Off’ to ‘MIP/MEP’, whilst applying no
pressure to the mouthpiece. Rotating segments will be displayed
whilst the unit performs an auto-zero function.
When the MicroRPM is ready a ‘beep’ will be heard and ‘0’ displayed.
To perform the test instruct the subject to insert the mouthpiece into
the mouth, ensuring the flange is positioned over the gums and
inside the lips, whilst the ‘bite blocks’ are between the teeth.
The subject should then exhale to RV (Residual Volume), lungs
empty, then perform a ‘Mueller’ manoeuvre, a forced inhalation
against the MicroRPM with as much effort as possible for as long as
possible (minimum 2 seconds).
The display will report the result, the maximum average inspiratory
pressure sustained over a 1 second period of the test, in centimetres
of water (cmH2O). Ideally, the subject should repeat this test 3
times to ascertain a best value.
PEmax (MEP) Test
Slide the MicroRPM switch from ‘Off’ to ‘MIP/MEP’, whilst applying no
pressure to the mouthpiece. Rotating segments will be displayed
whilst the unit performs an auto-zero function.
When the MicroRPM is ready a ‘beep’ will be heard and ‘0’ displayed.
To perform the test instruct the subject to insert the mouthpiece into
the mouth, ensuring the flange is positioned over the gums and
inside the lips, whilst the ‘bite blocks’ are between the teeth.
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