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174
Note:
PEEP is not maintained during a LOSS, GAS SUPPLY alarm condition. When the ventilator safety valve is open the
ventilator graphics will indicate a safety state by displaying the color purple.
Loss of Heliox
This is a high priority audible/visual alarm. LOSS, HELIOX is displayed and a high priority tone sounds. The alarm is
triggered if Heliox is being used and the Heliox supply to the ventilator drops below 18.0 psig (1.2 bar). The patient
continues to be ventilated by the oxygen supply only.
Pressure Alarms
Low Peak Pressure
This is a high priority audible/visual alarm. LOW P
inspiratory pressure for a given breath is less than the preset threshold for Low P
Range:
Defaults:
Limitations:
High Peak Pressure
This is a high priority audible/visual alarm. HIGH P
High P
threshold is exceeded. Inspiration is terminated and circuit pressure is allowed to return to the current set
PEAK
baseline pressure + 5 cmH
delivered.
Normal High P
•
PEAK
Alarms if the inspiratory pressure in the patient circuit exceeds the set High P
inspiratory phase of a breath, except during sigh breath cycles.
Range:
Defaults:
Not active for Sigh Breaths
Sigh High P
•
PEAK
Alarms if the inspiratory pressure in the patient circuit exceeds the Sigh High P
sigh breath cycle.
Range:
Active only for Sigh Breaths.
Chapter 7: Alarms and Indicators
3 to 99 cmH
O
2
8 cmH
O (Adult/Pediatric)
2
5 cmH
O (Neonate)
2
Not active for spontaneous breaths.
O. Circuit pressure must return to baseline +5 cmH
2
Alarm
10 to 105 cmH
10 to 85 cmH
40 cmH
30 cmH
Alarm
1.5 x (Normal High P
is displayed and a high priority tone sounds, whenever the peak
PEAK
is displayed and a high priority tone sounds whenever the preset
PEAK
O (Adult/Pediatric)
2
O (Neonate)
2
O
(Adult/Pediatric)
2
O
(Neonate)
2
), up to a maximum of 105 cmH
PEAK
Operator's manual
.
PEAK
O before the next breath can be
2
alarm threshold during the
PEAK
alarm threshold during a
PEAK
O
2
L2786 Rev. M
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Troubleshooting
