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  2. Pressure support ventilation - Wikipedia

    en.wikipedia.org/wiki/Pressure_support

    The patient initiates every breath and the ventilator delivers support with the preset pressure value. With support from the ventilator, the patient also regulates their own respiratory rate and tidal volume. [1] In Pressure Support, the set inspiratory pressure support level is kept constant and there is a decelerating flow. The patient ...

  3. Positive end-expiratory pressure - Wikipedia

    en.wikipedia.org/wiki/Positive_end-expiratory...

    Positive end-expiratory pressure (PEEP) is the pressure in the lungs (alveolar pressure) above atmospheric pressure (the pressure outside of the body) that exists at the end of expiration. [1] The two types of PEEP are extrinsic PEEP (PEEP applied by a ventilator) and intrinsic PEEP (PEEP caused by an incomplete exhalation).

  4. Nomenclature of mechanical ventilation - Wikipedia

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

    P low — Pressure that P high drops to during expiratory time (T low) PEEP — Positive end-expiratory pressure, pressure created by a backpressure valve. C PAP — Continuous positive airway pressure; Δ p — Delta-P, the change in pressure from the highest pressure to the lowest pressure. PS- Pressure Support

  5. Sanitary manhole - Wikipedia

    en.wikipedia.org/wiki/Sanitary_manhole

    The cover section is the top most section of sanitary manholes. It consists of a frame and a manhole cover. [16] The covers are designed to withstand the loads of the traffic on top of the manholes. Some are suitable for vehicular traffic, and some are for foot traffic only. [7]

  6. Continuous positive airway pressure - Wikipedia

    en.wikipedia.org/wiki/Continuous_positive_airway...

    The therapy is an alternative to positive end-expiratory pressure (PEEP). Both modalities stent open the alveoli in the lungs and thus recruit more of the lung surface area for ventilation. However, while PEEP refers to devices that impose positive pressure only at the end of the exhalation , CPAP devices apply continuous positive airway ...

  7. Airway pressure release ventilation - Wikipedia

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

    A pressure-time graphic. 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 ...

  8. Pressure control - Wikipedia

    en.wikipedia.org/wiki/Pressure_control

    Pressure control (PC) is a mode of mechanical ventilation alone and a variable within other modes of mechanical ventilation. Pressure control is used to regulate pressures applied during mechanical ventilation. Air delivered into the patients lungs (breaths) are currently regulated by Volume Control or Pressure Control. In pressure controlled ...

  9. Manhole cover - Wikipedia

    en.wikipedia.org/wiki/Manhole_cover

    The base and cover are sometimes called "castings", because they are usually made by a casting process, typically sand-casting techniques. [1] Pick holes in manhole cover, Palo Alto, California, USA Manhole valve made in 2022. The covers usually feature "pick holes", into which a hook handle tool is inserted to lift them.