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Apply slight pressure to test lung and release to simulate patient inspiratory effort.
Ensure that with each operation :-
• The ventilator cycles once.
• The TRIGGER BACK-UP LED is “OFF”.
Note: It may be necessary to adjust the PTV sensitivity to
achieve correct operation.
Note: The BPM display will show patient effort detected each minute
8.7 SIMV Mode
Advance the mode switch to SIMV
Ensure that :-
• The ventilator continues to cycle.
• The BPM display shows set rate.
Gently squeeze and release the test lung to simulate patient breathing.
Ensure that :-
• The ventilator continues to cycle at the set rate but synchronised with the pressure
from test lung.
Set Pressure Display Selector switch in the Min position.
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