Performing a breath test
To perform a new breath test attach a
new mouthpiece to the NObreathFloTM.
Once secured, attach the NObreathFloTM.
and mouthpiece to the device. Ensure all
connections are pushed rmly together.
The monitor must be held upright at all
times during a test.
The screen will guide the patient through a
breath test from the icons on the screen.
To start a breath test, touch the or
icon. The unit will beep once.
The or icon will appear, during
which the patient should take a comfortable
inhalation of air (not through the
mouthpiece).
After 3 seconds, the icon shall change
to or and the unit shall give a
double beep to signal that the patient
should start to exhale. The patient should
then exhale through the mouthpiece and
NObreathFloTM, ensuring that the ball in the
ow indicator is held in the middle of the
band on the NObreathFloTM.
The exhalation time is approximately 12
seconds for an adult and 10 seconds for a
child, a progress bar is shown at the bottom
of the screen. Patients should continue to
exhale until the progress bar has reached
its limit, double beep sounds, and then the
reading is displayed in ppb (see warnings,
page 3).
After a patient test has been completed,
remove the NObreathFloTM and mouthpiece
from the NObreath®and then remove and
dispose of the mouthpiece safely. This
should be done in accordance with local
waste disposal guidance.
The icon shall appear at the end of
the test, 60 seconds after the reading is
displayed. This allows time for the sensor
to settle to zero before the next test. Touch
to return to the main menu.
To start another patient breath test, t a new
mouthpiece and touch the or icon.
If no further tests are required, press and
hold the on/off button for 3 seconds then
release to turn off. If left on, the NObreath®
will automatically turn off after 5 minutes of
inactivity.
To view the last reading taken on the
instrument, go to the System Information
screen. See page 10 for details.
Ambient NO test
The NObreath®can measure the level of
nitric oxide in the surrounding ambient air.
This is important as the NObreath®has
been designed to function in environments
containing less than 350ppb NO.
Ensure the NObreathFloTM is not
connected.
Touch the icon to start a test.
The ambient air reading shall be displayed
after 30 seconds.
The icon shall appear at the end of
the test, 60 seconds after the reading is
displayed. This allows time for the sensor
to settle to zero before the next test. Touch
to return to the main menu.
If no further tests are required, press and
hold the on/off button for 3 seconds then
release to turn off. If left on, the NObreath®
will automatically turn off after 5 minutes of
