624074/07 10-25
Low tidal
volume
Medium priority.
Measured VTE < the set limit for
2 consecutive breaths.
Observe the patient.
Confirm and adjust the
ventilator settings, includ-
ing alarm limits.
Inspect for leaks and dis-
connects.
If the ventilator is in ASV,
consider suctioning, check
for a kinked ET tube, or
consider the possibility of
acute asthma.
MV oscilla-
tion
Medium priority.
Large up and down changes of
%MinVol over a short period
of time.
Switch %MinVol to manual
control.
Maneuver
in progress
Operator Message. P/V Tool
maneuver is in progress.
Wait.
Maximum
leak com-
pensation
Low priority.
VLeak is greater than half of the
set VTarget, and the APV control-
ler is compensating the leak at its
maximum compensation level.
VTE will be lower than VTarget.
Applies to the APV modes.
Inspect for leaks.
Suction patient.
Check high Pressure limit.
Switch to another mode.
No hemo-
dynamic
status avai-
lable
Medium priority.
HLI for > 6 minutes invalid, SpO
2
measurement ON, and HLI used
by the controller.
Inspect the pulse oximeter
attachment location on the
patient. Verify the pulse oxi-
meter plethysmogram
No hemo-
dynamic
status avai-
lable
Low priority.
HLI for > 6 minutes invalid, SpO
2
measurement ON, High HLI alarm
limits on and HLI not used by the
controller.
Inspect the pulse oximeter
attachment location on the
patient. Verify the pulse oxi-
meter plethysmogram.
Table 10-2. Alarms and other messages
Alarm Definition Complete these actions
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