6-10
In V-A/C mode, you can set the following sigh function parameters as required:
1. [Sigh]: Switch for turning on sigh function
2. [Interval]: Time interval between two sighs
3. [Cycles Sigh]: Number of sigh cycles
4. [△int.PEEP]: PEEP added in sigh cycle
In V-A/C mode, you can set the following ATRC function parameters as required in Invasive
ventilation (this function is applied to all Invasive modes and the description is not repeated
in the other ventilation modes section in this manual.):
1. [Disable ATRC]: Switch off ATRC function
2. [ET Tube]: Endotracheal tube
3. [Trach Tube]: Tracheal tube
4. [Tube I.D.]: Diameter of tube
5. [Compensate]: Compensate portion
6. [Expiration]: Compensate of expiration
6.5.4 P-A/C
P-A/C is pressure-assist/control ventilation mode. In P-A/C, the patient’s airway pressure
rises to the preset pressure level within the time of pressure rising, and is held at this level till
inspiration time is completed. Then the system switches to expiration. When the airway
pressure is held at the preset pressure level, delivered gas flow has decelerating shape, and
varies with the resistance and compliance of the patient’s lungs. During the inspiratory phase,
when the delivered gas volume exceeds the tidal volume high alarm limit, the system
switches to expiratory phase immediately. During the expiratory phase, synchronization
trigger is supported. Namely, when the ventilator detects patient inspiratory effort, it delivers
next mechanical ventilation breath immediately.
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