CareFusion AVEA - Page 193

AVEA ventilator systems Chapter 7: Alarms and Indicators 179
L2786 Rev. M
Message
Alarm Condition
Range
Priority
valves open and no breaths are delivered. The SAFETY VALVE
OPEN alarm activates. Bias flow is suspended while this alarm is
active. PEEP may not be maintained. This alarm will remain
active until the condition is resolved.
LOW PEEP Baseline pressure (Positive End Expiratory Pressure) is less than
the set LOW PEEP alarm threshold for a period greater than 0.25
± 0.05 seconds. This alarm is OFF if set to zero.
0 to 60 cmH
2
O
Defaults:
3 cmH
2
O (Adult/Pediatric)
1 cmH
2
O (Neonate)
High
LOW Ve Monitored exhaled minute volume (V
e
) is less than the set LOW
V
e
alarm threshold.
OFF (0), 1 to 50 L (Adult)
OFF (0), 0.1 to 30 L (Pediatric)
OFF (0), 0.01 to 5.00 L (Neonate)
Default OFF
Medium
HIGH Ve Monitored exhaled minute volume (Ve) is greater than the set
HIGH Ve alarm threshold.
0 to 75 L (Adult)
0.0 to 30.0 L (Pediatric)
0.00 to 5.00 L (Neonate)
Defaults:
30.0 L (Adult/Pediatric)
5.00 (Neonate)
Medium
HIGH Vt The absolute monitored exhaled tidal volume is greater than the
set HIGH Vt alarm threshold.
0.10 to 3.00 L (Adult)
25 to 1000 ml (Pediatric)
2.0 to 300.0 ml (Neonate)
Defaults:
3.00 L (Adult)
1000 ml (Pediatric)
300.0 ml (Neonate)
Visual
Alert
Low Vt The absolute monitored exhaled tidal volume does not exceed the
Low Tidal Volume alarm threshold setting
Off to 3.00 L (Adult)
Off to 1000 mL (Pediatric)
Off to 300.0 mL (Neonate)
High
APNEA
INTERVAL
Active in A/C, SIMV, APRV / BIPHASIC and CPAP/PSV modes if
the ventilator does not detect a breath within the preset APNEA
time interval.
6 to 60 seconds
Default 20 seconds
High
HIGH RATE The monitored total breath rate exceeds the set alarm RATE. 1 to 200 bpm
Default: 75 bpm
Medium
I-TIME LIMIT The inspiratory time for a breath exceeds the set MAX I-TIME
plus pause time, which is 5.0 seconds for adult/pediatric patients
and 3.0 seconds for neonatal patients.
N/A Low
I:E LIMIT The inspiratory: expiratory ratio for a mandatory breath exceeds
4:1. The inspiratory phase of the breath is terminated.
Not active in APRV / BIPHASIC mode. Low
LOW FIO
2
Delivered oxygen percentage falls below the set FIO
2
minus 6% or
18% F
IO
2
., whichever is greater.
N/A High
HIGH F
IO
2
Delivered oxygen percentage rises above the set F
IO
2
plus 6%
N/A
High
CIRCUIT
DISCONNECT
A high priority audible/visual alarm is activated, and CIRCUIT
DISCONNECT displayed, whenever the patient circuit becomes
disconnected from the ventilator or patient.
N/A High
LOW BATTERY A high priority audible/visual alarm is activated, and LOW
BATTERY displayed, whenever the internal battery has been
depleted to a level that provides a minimum of two minutes of
safe operation.
N/A High
LOSS, AC
POWER
A high priority audible/visual alarm is, and LOSS, AC POWER
displayed, whenever the power switch is on and AC power has
been removed from the ventilator (i.e. power cord disconnect or
loss of supply power).
N/A High
ILV
DISCONNECT
A high priority audible/visual alarm is activated, and ILV
DISCONNECT displayed, whenever the master ventilator
N/A High