6.3.3 High Pressure Alarm
Property Description
Alarm text
High Pressure
Priority High
Alarm condition A High Pressure alarm will be given when the patient pressure
reaches the set High Pressure alarm limit for three consecutive
breaths.
It will also be given if pressure exceeds 75 cmH
2
O.
Possible cause
• Mismatch between pressure setting and alarm setting.
• Coughing during inspiration.
• Changes in airway resistance and or compliance.
Reset criteria
A full breath is performed with maximum pressure below the
alarm limit.
Ventilator action The Nippy 4 will continue treatment according to the current
settings. The actual breath is however terminated if the High
Pressure alarm limit is reached.
Setting range
• 5 cmH
2
O to 55 cmH
2
O
Note that the High pressure alarm cannot be set lower than the
value set for the Low pressure alarm.
Setting resolution Below 10 cmH
2
O: 0.5 cmH
2
O
Above 10 cmH
2
O: 1.0 cmH
2
O
Setting Display The High Pressure alarm setting is displayed by a red line in the
pressure bar graph.
Alarms
83
Doc. 006553 M-6 User Manual
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