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28.4 Alarms
28.4.1 User settable Alarms
High Pressure:
Autoset when patient pressure controls are adjusted, or manually adjustable.
Range: 10 to 110 mbar
Resolution: 0.5 mbar
Cycle Fail:
Autoset when patient pressure controls are adjusted, or manually adjustable.
Range: 0 or 5 mbar above low-pressure threshold (whichever is
lower) to 5 mbar below high-pressure threshold.
Resolution: 0.5 mbar
Low Pressure:
Autoset when patient pressure controls are adjusted, or manually adjustable.
Range: -10 mbar (Conventional) / -70 mbar(HFO modes) to 10
mbar below high-pressure threshold.
Resolution: 0.5 mbar
High Tidal Volume:
Range: 3 to 200 ml
Resolution: 0.2 ml
Low Tidal Volume:
Range: 0 to 200 ml
Resolution: 0.2 ml
Low Minute Volume:
Range: 0 to 0.1 litres below High minute volume threshold.
Resolution: 0.1 litre
High Minute Volume:
Range: 0 to 18 litres.
Resolution: 0.1 litre
Apnoea time:
Range: 5 to 60 seconds
Resolution: 1 second