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  2. 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

  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. Palatal obturator - Wikipedia

    en.wikipedia.org/wiki/Palatal_obturator

    In simpler terms, a palatal obturator covers any fistulas (or "holes") in the roof of the mouth that lead to the nasal cavity, providing the wearer with a plastic/acrylic, removable roof of the mouth, which aids in speech, eating, and proper air flow. Palatal obturators are not to be confused with palatal lifts or other prosthetic devices. A ...

  5. 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 ...

  6. Mean airway pressure - Wikipedia

    en.wikipedia.org/wiki/Mean_airway_pressure

    Mean airway pressure typically refers to the mean pressure applied during positive-pressure mechanical ventilation. Mean airway pressure correlates with alveolar ventilation, arterial oxygenation, [1] hemodynamic performance, and barotrauma. [2] It can also match the alveolar pressure if there is no difference between inspiratory and expiratory ...

  7. Pipe support - Wikipedia

    en.wikipedia.org/wiki/Pipe_support

    Support types i.e. whether hanging type, foot mounted type etc. Special features such as travel limit stop required if any. Preferred surface protection / paint / finish. Hot load is the working load of the support in the “Hot” condition i.e. when the pipe has traveled from the cold condition to the hot or working condition.

  8. Ventilation (firefighting) - Wikipedia

    en.wikipedia.org/wiki/Ventilation_(firefighting)

    Mechanical fans can be used to provide positive pressure ventilation by breaking or removing windows, skylights or heat/smoke vents on the roof; or by cutting new exhaust vents in the building. If there is no suitable existing hole, firefighters may use their equipment to make one, such as specialized saws for cutting a large hole in the roof.

  9. Fixed roof tank - Wikipedia

    en.wikipedia.org/wiki/Fixed_roof_tank

    This valve prevents the release of vapors during very small changes in temperature, barometric pressure, or liquid level. [1] Fixed roof tanks without breather valves will generally be freely vented; [2] thus the emissions from a fixed roof tank can be non-trivial. Gauge hatches, sample wells, float gauges, and roof manholes provide ...