Vitalograph Spirotrac Instructions for Use
IFU Part No.: 07402
Issue 22
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Page 37 of 78 DT_0006-15
2. Wait for ‘BLOW NOW’ message to appear on-screen.
3. Select the Volume/Time Graph tab where multi-breath testing is required and
use the following guidelines
a. Sit upright, fit the nose clip and relax.
b. Place BVF in mouth, and close lips around the mouthpiece.
c. Seal your lips around the mouthpiece and keep your tongue down.
d. Breathe normally.
e. Inhale completely with a brief pause when your lungs are completely full
(≤ 2 secs)*.
f. Exhale with no hesitation until no more air can be expelled while
maintaining an upright posture. It is vital that the operator encourages
the subject to keep exhaling to ensure all air is expelled (when a plateau
has been reached or forced expiratory time (FET) reaches 15 seconds*).
The manoeuvre is now complete and the BVF is removed from the
mouth.
g. The operator should repeat instructions as necessary, coaching
vigorously.
4. Repeat for a minimum of three manoeuvres, usually no more than eight for
adults.
5. Check VC repeatability and perform more manoeuvres as necessary.
6. NOTE: A single-breath VC technique may also be performed on the device by
selecting the Bar Chart tab.
7. After each blow a quality summary window displays. This displays the test
acceptability and session quality for the test performed.
8. The user may Accept, Reject or keep the automatic interpretation for the test at
any time. Changing the acceptability of a test will automatically update the best
test, reproducibility and quality information.
* ATS/ERS 2019 recommendations
4.1.3 FVC Testing
1. Once the required subject has been selected from the list, click on the FVC Test
button or select FVC from the Test menu.
2. Wait for ‘BLOW NOW’ message to appear on-screen before beginning the test.
3. Use the following guidelines to perform a multi-breath test:
a. Sit upright, fit the nose clip and relax.
b. Place BVF in mouth, and close lips around the mouthpiece.
c. Seal your lips around the mouthpiece and keep your tongue down.
d. Breathe normally
e. Inhale completely and rapidly with a brief pause when your lungs are
completely full (≤ 2 secs*).
f. Exhale with maximal effort until no more air can be expelled while
maintaining an upright posture. It is vital that the operator encourages
the subject to keep exhaling to ensure all air is expelled (when a plateau
has been reached or forced expiratory time (FET) reaches 15 seconds*.
g. Breathe in with maximal effort until completely full. The manoeuvre is
now complete and the BVF is removed from the mouth.
h. The operator should repeat instructions as necessary, coaching
vigorously
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