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  2. Pressure support ventilation - Wikipedia

    en.wikipedia.org/wiki/Pressure_support

    In Pressure Support, the set inspiratory pressure support level is kept constant and there is a decelerating flow. The patient triggers all breaths. If there is a change in the mechanical properties of the lung/thorax and patient effort, the delivered tidal volume will be affected. The user must then regulate the pressure support level to ...

  3. Airway pressure release ventilation - Wikipedia

    en.wikipedia.org/wiki/Airway_pressure_release...

    Airway pressure release ventilation (APRV) is a pressure control mode of mechanical ventilation that utilizes an inverse ratio ventilation strategy. APRV is an applied continuous positive airway pressure (CPAP) that at a set timed interval releases the applied pressure. Depending on the ventilator manufacturer, it may be referred to as BiVent.

  4. Intermittent mandatory ventilation - Wikipedia

    en.wikipedia.org/wiki/Intermittent_mandatory...

    Proportional assist ventilation is a mode in which the ventilator guarantees the percentage of work regardless of changes in pulmonary compliance and resistance. [13] The ventilator varies the tidal volume and pressure based on the patients work of breathing, the amount it delivers is proportional to the percentage of assistance it is set to give.

  5. Nomenclature of mechanical ventilation - Wikipedia

    en.wikipedia.org/wiki/Nomenclature_of_mechanical...

    Pressure controlled ventilation is where pressure as a function of time is controlled by the ventilator. Normally, pressure is set to a specific amount for a specific breath duration, letting volume and flow vary according to patient demands. Any mode that relies on pressure to deliver a breath falls under the PC- category.

  6. Modes of mechanical ventilation - Wikipedia

    en.wikipedia.org/.../Modes_of_mechanical_ventilation

    Modes of mechanical ventilation are one of the most important aspects of the usage of mechanical ventilation.The mode refers to the method of inspiratory support. In general, mode selection is based on clinician familiarity and institutional preferences, since there is a paucity of evidence indicating that the mode affects clinical outcome.

  7. Dual-control modes of ventilation - Wikipedia

    en.wikipedia.org/wiki/Dual-control_modes_of...

    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 ...

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  9. Heating, ventilation, and air conditioning - Wikipedia

    en.wikipedia.org/wiki/Heating,_ventilation,_and...

    Ventilation on the downdraught system, by impulsion, or the 'plenum' principle, applied to schoolrooms (1899) Natural ventilation is the ventilation of a building with outside air without using fans or other mechanical systems. It can be via operable windows, louvers, or trickle vents when spaces are small and the architecture permits.