Testing The Ventilation Monitoring Alarms; Testing The Oximetry Alarms - ResMed Astral Series Clinical Manual

Testing the alarms
Alarm
Low PEEP
Low Pressure

Testing the ventilation monitoring alarms

For Astral 150, all ventilation monitoring alarm tests are conducted using a test lung and double limb
circuit in (A)CV mode.
For Astral 100, all ventilation monitoring alarm tests are conducted using a test lung and single limb
circuit in (A)CV mode.
Set (A)CV mode to defaults and start ventilation.
Alarm
Low Vte
High Vte
Low Vti
High Vti
Low MVe
High MVe
Low MVi
High MVi
Low Resp Rate
High Resp Rate
Apnoea

Testing the oximetry alarms

To test oximetry alarms attach a pulse oximeter to the Astral device and connect the sensor to a person.
Alarm
Low SpO
2
High SpO
2
Low pulse rate
High pulse rate
No SpO monitoring
2
112
Test procedure
1. Start ventilation.
2. Set the PEEP setting to 10 cmH
3. After 30 seconds disconnect the test lung.
1. Start ventilation.
2. Record the peak inspiratory pressure (PIP).
3. Set the Low PIP alarm limit above PIP.
Test procedure
Set the alarm limit above the current volume.
Set the alarm limit below the current volume.
Set the alarm limit above the current volume.
Set the alarm limit below the current volume.
Set the alarm limit above the current minute volume.
Set the alarm limit below the current minute volume.
Set the alarm limit above the current minute volume.
Set the alarm limit below the current minute volume.
Set the alarm limit above the set respiratory rate.
Set the alarm limit below the set respiratory rate.
Set the respiratory rate to Off.
Test procedure
Set the alarm limit to 99%.
Set the alarm limit below the current SpO
Set the alarm limit above the current pulse rate.
Set the alarm limit below the current pulse rate.
With at least one other oximetry alarm enabled, disconnect the oximeter.
O.
2
measure.
2