10-10 624074/07
10 Responding to alarms
Apnea
ventilation
ended
Low priority.
Backup mode was reset, and
device is again ventilating in its
original support (pre-apnea)
mode.
No action required.
APV: Check
high pres-
sure limit
Low priority:
The operator-set high Pressure
Alarm limit is too low, the ventila-
tor cannot deliver vtarget.
Observe the patient. Verify
the control settings. Con-
sider to increasing the high
Pressure limit to an appro-
priate level consider
decreasing the vtarget to
an appropriate value
ASV/APV:
Initializa-
tion failed
Medium priority.
ASV, APVsimv, or APVcmv cannot
start, because the test breath
results are not acceptable.
Consider increasing the
high Pressure limit (the dif-
ference between PEEP/
CPAP and the high Pressure
limit must be > 25 cmH
2
O).
Calibrate the flow sensor.
Check for leaks.
Replace the flow sensor.
Switch to a conventional
pressure mode.
Table 10-2. Alarms and other messages
Alarm Definition Complete these actions
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