Technical data
36
Automatic alarm limits
Pressure monitoring
Applies to:
– Evita Infinity V500
– Babylog VN500
– Evita V300
Alarm message
Description/Detection
PEEP high / Plow high
(!!!)
The alarm limit is 8 mbar (8 cmH
2
O) above the set PEEP or Plow level.
The alarm triggers a pressure release to ambient pressure. The alarm
is not triggered below 11 mbar (11 cmH
2
O). An alarm is triggered if this
condition applies for 2 breaths or after a maximum of 15 seconds.
To avoid false alarms, it is monitored whether the lower pressure level
has been reached if APRV and the Tlow value were set to less than 1 s
or if AutoRelease is activated.
PEEP high / Plow high
(!!)
The alarm limit is 4 mbar (4 cmH
2
O) above the set PEEP value. An
alarm is triggered if this condition applies for 2 breaths or after a maxi-
mum of 15 seconds.
PEEP low / Plow low
(only for Evita Infinity V500 and
Evita V300)
A too low PEEP or Plow value during ventilation is monitored. The
alarm limit depends on the set value of the PEEP or Plow level. The
alarm limit is 5 mbar (5 cmH
2
O) below the set value. An alarm is trig-
gered if this condition applies for 10 breaths.
PEEP low / Plow low
(only for Babylog VN500)
A too low PEEP or Plow value during ventilation is monitored. The
alarm limit depends on the set value of the PEEP or Plow level. The
alarm limit is 3 mbar (3 cmH
2
O) below the set value. An alarm is trig-
gered if this condition applies for 10 breaths.
