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- Dual-control_modes_of_ventilation abstract "Dual-control modes of ventilation are auto-regulated pressure-controlled modes of mechanical ventilation with a user-selected tidal volume target. The ventilator adjusts the pressure limit of the next breath as necessary according to the previous breath's measured exhaled tidal volume. Peak airway pressure varies from breath to breath according to changes in the patient's airway resistance and lung compliance.The pressure waveform is square, and the flow waveform is decelerating. This mode is a form of continuous mandatory ventilation as a minimum number of passive breaths will be time-triggered, and patient-initiated breaths are time-cycled and regulated according to operator-set tidal volume.The first few breaths are delivered to the patient according to the ventilator manufacturer's particular algorithm for determining the patient's resistance and compliance. These are 'test breaths' that the ventilator can then use to calculate the optimal pressures for the next, regulated breaths. The pressure is constant during the set inspiratory time as with pressure-controlled CMV. The ventilator will use the exhaled tidal volume measured at the end of that breath's expiratory phase to calculate the pressure of the next breath. If the exhaled tidal volume is lower than the software threshold, the next breath will be delivered at a higher pressure, and if the exhaled tidal volume is higher than the software threshold, the next breath will be delivered at a lower pressure.The theory is to ensure that the lowest inspiratory pressure necessary to achieve the desired tidal volume is used. As a safety feature, the ventilator will not increase the pressure beyond a predetermined high pressure limit. This is usually tied to (but not the same as) the operator-set high pressure alarm setting. If the ventilator delivers a breath at this high pressure limit and is still unable to achieve the operator-desired exhaled tidal volume, an alarm will sound to warn the operator that the volume target cannot be met.".
- Dual-control_modes_of_ventilation thumbnail Pressure_regulated_volume_control_graphic.jpg?width=300.
- Dual-control_modes_of_ventilation wikiPageID "2270901".
- Dual-control_modes_of_ventilation wikiPageRevisionID "606305375".
- Dual-control_modes_of_ventilation hasPhotoCollection Dual-control_modes_of_ventilation.
- Dual-control_modes_of_ventilation subject Category:Mechanical_ventilation.
- Dual-control_modes_of_ventilation subject Category:Respiratory_therapy.
- Dual-control_modes_of_ventilation comment "Dual-control modes of ventilation are auto-regulated pressure-controlled modes of mechanical ventilation with a user-selected tidal volume target. The ventilator adjusts the pressure limit of the next breath as necessary according to the previous breath's measured exhaled tidal volume. Peak airway pressure varies from breath to breath according to changes in the patient's airway resistance and lung compliance.The pressure waveform is square, and the flow waveform is decelerating.".
- Dual-control_modes_of_ventilation label "Dual-control modes of ventilation".
- Dual-control_modes_of_ventilation sameAs m.0hnbl6t.
- Dual-control_modes_of_ventilation sameAs Q5310136.
- Dual-control_modes_of_ventilation sameAs Q5310136.
- Dual-control_modes_of_ventilation wasDerivedFrom Dual-control_modes_of_ventilation?oldid=606305375.
- Dual-control_modes_of_ventilation depiction Pressure_regulated_volume_control_graphic.jpg.
- Dual-control_modes_of_ventilation isPrimaryTopicOf Dual-control_modes_of_ventilation.
