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6-5
Alarms test
Mode:
Trigger Type:
Rate:
Vt:
Pause:
Oxygen:
Ti:
Ftrig:
Flow pat.:
Select the following settings.
Test the alarms according to the following instructions.
High pressure alarm test: Allow the ventilator to operate at the above settings with a test
lung. Press the test lung during inhalation to activate the High pressure alarm. Check that
high pressure alarm is activated on the same breath and inhalation terminates.
Low Vte and Low MV alarms test: Change MV low alarm limit to 12 l/min. Check that
after a while, first the Low minute volume alarm and then the Low tidal volume should be
activated. Change MV low alarm limit back to 2 l/min.
Low O2 Pressure and Low Oxygen alarms test: Change O2 to 100% and disconnect the
oxygen supply. Check that Low O2 Pressure alarm is activated immediately and Low Oxygen
alarm is activated after a few breaths. Change the oxygen setting back to 21%.
Low Air pressure alarm test: Disconnect the air supply. Check that Low Air Pressure alarm
is activated immediately. Connect the air supply line.
Alarm test setting
VCV
Flow
10 b/min
500 ml
0 %
21 %
1.4 s
3 l/min
Decel.
Apnea time:
High Rate:
Low Rate:
High Ppeak:
High MV:
Low MV:
High Vte:
Low Vte:
High PEEP:
Low PEEP:
Leak:
20 s
100 b/min
2 b/min
40
cmH
O
2
50 l/min
2 l/min
1000 ml
200 ml
8
cmH
O
2
3
cmH
O
2
100 %
56
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