ResMed Astral Series Clinical Manual page 133

Astral Disconnection Alarm
To test the Disconnection Alarm:
These steps should be performed prior to connecting patient to the ventilator.
1. Attach all components of the patient circuit, including interface (a test cannula should be used in the
case of a tracheostomy).
2. Start ventilation at the appropriate therapy settings, circuit configuration, and supplemental oxygen (if
required).
3. Check that the measured disconnection value turns red and that the Disconnection Alarm activates
after the Alarm activation time.
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