F&P Airvo 3, User Manual, Page: 21 / 216

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5.2 Optifl ow high fl ow therapy settings
The default range of Optifl ow high fl ow therapy settings is shown below. Some settings may have been limited, or disabled, when the
device was initially set up for its intended clinical environment. Refer to the Airvo 3 Technical Manual for details.
Settings are persistent and will retain their previous value when the Airvo 3 is turned on. Selecting New Patient when reviewing the
disinfection state (see section 5.1 above) applies the default values for its intended clinical environment to all settings.
Setting Range Description
Target humidity 31–37 °C Target humidity for the respiratory gas supplied to the patient.
Target fl ow 2–70 L/min Flow rate of the respiratory gas supplied to the patient.
FiO
2
21–100%
Target oxygen concentration for the breathing gases when an external oxygen
supply is connected to the high-pressure oxygen inlet port.
Expiratory relief
(Target fl ow tile)
Off , 10%,
20%, 30%
This setting is disabled by default, and only available when the set fl ow is greater
than 25L/min refer to the Airvo 3 Technical Manual for details. Expiratory relief
automatically reduces the respiratory gas fl ow rate during exhalation and returns
it to normal during inhalation. Indicative fl ow rates are displayed on the settings
screen. These may diff er depending on the method and strength of the patients
breath.
Tiles on the Home screen show current Optifl ow high fl ow therapy settings and measurements. Only tiles relevant to connected
accessories are shown.
* The FiO
2
tile shows the breathing gas oxygen concentration setting when supplementary oxygen is connected to the high-pressure oxygen (HPO) inlet
port and measured oxygen concentration when connected to the low-pressure oxygen (LPO) inlet port. Measured oxygen concentration is not available in
standby mode.
† “--” is displayed when a value is not available; values are gray when signal quality is poor.
‡ The SpO
2
tile is displayed automatically when a compatible pulse oximeter is connected.
Follow the steps below to start delivering Optifl ow high fl ow therapy. Some settings may have been limited, or disabled, when the device was initially set up
for your clinical environment. Refer to the Airvo 3 Technical Manual for details.
Target
humidity
setting
Target fl ow
setting (top)
Respiratory rate
measurement †
(bottom)
Oxygen
concentration
(FiO
2
) setting or
measurement * †
SpO
2
‡ (top)
Pulse rate (bottom)
SpO
2
alarm
thresholds
System
menu
Power
on/off
Settings tiles
Displays therapy
settings and
measurements.
Tap tiles to change
settings or view more
information
Start therapy
Tap to start
delivering therapy
Messages and alarms
Displays therapy
information and alarms
Status indicators
Data and Graphs
information