Performing a Test
58 EasyOne Pro™ / EasyOne Pro™ LAB
When three acceptable trials have been performed, the message Session
complete! appears and a quality grade from A (optimal) to F is displayed
(see "Quality Messages and Quality Grades" on page 84).
3.5 Maximum Voluntary Ventilation (MVV)
In these tests, the maximum ventilation volume over an uninterrupted
period of 12 seconds is measured. For this test type, too, the ATPS values
(Ambient Temperature Pressure Saturated = spirometer conditions) must
be converted to BTPS values ( Body Temperature Pressure Saturated = body
conditions) (see "Ambient Conditions" on page 51).
Select the patient (see "Selecting/Adding a Patient" on page 41).
Prepare the patient (see "Preparations" on page 46) and explain the test
maneuvers to him or her:
take the spirette™ into the mouth with the lips sealing around the
spirette™, taking care not to block its opening with the tongue or bite
down excessively on the spirette™
when the test start prompt is displayed, breathe in and out as deeply
and as fast as possible over a period of 12 seconds.
Select MVV.
The MVV acquisition screen appears.
Fig. 3-20 Acquisition screen after three acceptable SVC trials
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