Instructions for use | Atlan A300, A300 XL, A350, A350 XL SW 1.0n 305
Principles of operation
17.2.6.4 VC - SIMV
– Volume-controlled
– Pressure-limited
– Time-controlled
– Machine-triggered or patient-triggered
– Constant inspiratory flow
– Synchronized inspiration
In VC - SIMV, the patient can breathe spontaneously at any time, while the number
of mandatory breaths is predefined. When synchronization is switched on, the
breaths are adapted to the spontaneous breathing of the patient. If inspiratory effort
by the patient is detected during the inspiratory trigger window, a patient-triggered
breath will be initiated.
17.2.6.5 VC - SIMV / PS
This mode is similar to VC - SIMV, except that the patient's spontaneous breathing
at the PEEP level during the expiratory phase is pressure-supported with ∆Psupp
when outside the trigger window.
17.2.6.6 VC - AF
With AutoFlow, the set tidal volume VT is applied for all mandatory volume-
controlled breaths with the lowest required pressure. The pressure patterns and
flow patterns of the mechanical inspiratory breaths correspond to those of pressure-
controlled ventilation.
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PEEP
Ti
1/RR
∆Psupp
Insp term
Trigger
Slope
Slope
Trigger
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