Performing a Test
56 EasyOne Pro™ / EasyOne Pro™ LAB
3.4 Vital Capacity (SVC)
Slow vital capacity measurements determine the vital capacity, starting
from tidal breathing. (You can configure the device for direct measurement
of the vital capacity, i.e., without initial tidal breathing (see "SVC Tab" on
page 120). For this test type, too, the ATPS values (Ambient Temperature
Pressure Saturated = spirometer conditions) must be converted to BTPS val-
ues ( Body Temperature Pressure Saturated = body conditions) (see "Ambi-
ent Conditions" on page 51).
After three acceptable trials, the message Session complete! appears.
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™
breathe calmly in and out
when the start test prompt appears, take a maximum inspiration
followed by an immediate, but unhurried, exhalation.
Select SVC.
The slow vital capacity acquisition screen appears.
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