AD.A module
User’s Manual, DU3310103-MRI / rev.3 - 02.05.2019
7-15
The PCV supplies a tidal volume upon the pressure limit (Pmax) and the patient
pulmonary conditions (compliance, pulmonary capacity) therefore the tidal volume
varies to changing of mechanic pulmonary conditions.
During the inspiratory phase the ventilator generates an adjustable flow (Flow).
When the control pressure is reached in airways (Pmax), such pressure level is
maintained constant by the ventilator, until the end of inspiratory act adjustable by
(Rate) and inspiratory time (Ti).
In the adjustable parameters it is possible to define an inspiratory trigger (Trigger)
that allows to set a flow in litres per minute which is the limit to detect the tented
spontaneous patient breath. As much the set value is high, greater is the effort of
the patient to obtain an inspiratory act.
In case the set pressure is not reached, check, besides the perfect tightness or
patient circuit, that the PRF parameters are correctly set.
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