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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. 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 ...

  5. Modes of mechanical ventilation - Wikipedia

    en.wikipedia.org/wiki/Modes_of_mechanical...

    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 obtain desired ventilation. [17] [18] Pressure support improves oxygenation, [19] ventilation and decreases work of ...

  6. 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 ...

  7. Positive airway pressure - Wikipedia

    en.wikipedia.org/wiki/Positive_airway_pressure

    Positive airway pressure (PAP) is a mode of respiratory ventilation used in the treatment of sleep apnea.PAP ventilation is also commonly used for those who are critically ill in hospital with respiratory failure, in newborn infants (), and for the prevention and treatment of atelectasis in patients with difficulty taking deep breaths.

  8. Peak inspiratory pressure - Wikipedia

    en.wikipedia.org/wiki/Peak_inspiratory_pressure

    Peak inspiratory pressure (P IP) is the highest level of pressure applied to the lungs during inhalation. [1] In mechanical ventilation the number reflects a positive pressure in centimeters of water pressure (cm H 2 O). In normal breathing, it may sometimes be referred to as the maximal inspiratory pressure (M IPO), which is a negative value. [2]

  9. Sanitary manhole - Wikipedia

    en.wikipedia.org/wiki/Sanitary_manhole

    The pressure-sensitive plugs are calibrated to hold water up to a certain pressure level which is higher than normal ground water pressure. Once the pore water pressure is increased to higher than that level due to an earthquake, the plugs will be released into the manhole and the water from the surrounding soils can be drained into the manhole ...