6.3.1 High Pressure Alarm
Property Description
Alarm text
High Pressure
Priority High
Alarm condition A High Pressure alarm will be given when the patient pres-
sure reaches the set High Pressure alarm limit for three con-
secutive breaths.
It will also be given if pressure exceeds 76 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 Vivo 45 LS 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 70 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.
112 Alarms
User manual
Doc. 007301 K-1