11
When you are happy that the subject has achieved steady tidal
breathing, continue with:
e. Exhale as deeply as possible.
f. Inhale as much as possible (speed is not important) and when
fully inhaled
g. Return to tidal breathing i.e.: Breathe in and out normally again.
3. If you are prompted to accept the test, press the
Cancel
button to
reject the test or the Enter key to accept the test.
The IVC values recorded for the blow are displayed in the table. The
best IVC value for the current session and the Lower Limit of
Normality (LLN) are also displayed.
4. Repeat to perform another IVC test if required.
Note: A maximum of 12 IVC tests can be performed in one session.
5. After performing the IVC tests, you can do one of four things:
1. Return to the Home screen by pressing the
Home
button. This will end the test session.
2. Return to the Subject Select screen by pressing the
Back
button. This will end the test session.
3. Perform a single breath test by pressing the
FVC
button.
4. Perform a Post test by pressing the
Post
button.
Note: Refer to the section on
Performing a Post Test Session
Performing a Single Breath Test Continued
Note: If you have not selected either of the VC or IVC check boxes in
the Test Indices selection screen, you will be brought directly into the
FVC test screen.
