B-9
B.8 Alarms
B.8.1 Settable Alarms
Alarm settings
Parameter Setting range Automatic threshold Notes
TV High limit 110 to 4000 mL, OFF(Adult)
25 to 4000 mL, OFF(Pediatric)
1.5 × TVe average
value
High limit
is greater
than low
limit.
MV High limit Pediatric: 0.2 to 60.0 L/min (non-NIV)
Adult: 0.2 to 100.0 L/min (non-NIV)
Pediatric: 0.1 to 60.0 L/min (NIV)
Adult: 0.1 to 100.0 L/min (NIV)
1.5 × MV monitored
value
Low limit Pediatric: 0.1 to 30.0 L/min (non-NIV)
Adult: 0.1 to 50.0 L/min (non-NIV)
Pediatric: 0.1 to 30.0 L/min, OFF (NIV)
Adult: 0.1 to 50.0 L/min, OFF (NIV)
0.5 × MV monitored
value
Paw High limit 10 to 105 cmH
2
O Average peak
pressure+10cmH
2
O
and 35cmH
2
O,
whichever is greater
ftot High limit 1 to 160, OFF 1.4 × ftot monitored
value
Tapnea 5 to 60s 15 /
B.8.2 Auto Alarms
Parameter Alarming condition
Paw
Low
limit
Internally set alarm limit: PEEP+4 cmH2O
FiO2
High
limit
FiO2 exceeds the alarm limit for at least 20s.
Internally set alarm limit: Set value + max (7% or set value x 10%).
Low
limit
FiO2 is lower than the alarm limit for at least 20s.
Internally set alarm limit: set value - max (7% or set value x 10%).
Absolute FiO2 low limit: 18% O2
Sustained Airway
Pressure
Internally set alarm limit: PEEP+15 cmH2O
The alarm limit is exceeded for 15s continuously.