Selected article for: "circuit open and PReVentS circuit"
Author: Micha Sam Brickman Raredon; Clark Fisher; Paul Heerdt; Ranjit Deshpande; Steven Nivison; Elaine Fajardo; Shamsuddin Akhtar; Thomas Raredon; Laura E. Niklason
Title: Pressure-Regulated Ventilator Splitting (PReVentS): A COVID-19 Response Paradigm from Yale University
  • Document date: 2020_4_6
    • ID: mqj071gp_92
    Snippet: • As the circuit is currently designed, negative circuit pressure near the patient will entrain room air through the negative-pressure relief valve -this will briefly decrease the FiO2 following in-line suctioning, or if the patient makes strong respiratory effort during the ventilator's expiratory phase. If even a brief FiO2 decrease is unacceptable for a patient, an oxygen reservoir bag should be added at the negative pressure relief valve. W.....
    Document: • As the circuit is currently designed, negative circuit pressure near the patient will entrain room air through the negative-pressure relief valve -this will briefly decrease the FiO2 following in-line suctioning, or if the patient makes strong respiratory effort during the ventilator's expiratory phase. If even a brief FiO2 decrease is unacceptable for a patient, an oxygen reservoir bag should be added at the negative pressure relief valve. With proper forethought, steps can also be taken to mitigate FiO2 drop during in-line suctioning (see below). • While not intrinsic to the PReVentS circuit, with the current hand-made valves it is necessary to briefly open the circuit to make valve adjustments. During this maneuver, ventilation is still maintained for the other patient, and PEEP is maintained for both patients. We are currently iterating on valve design to allow pressure adjustment without any circuit disruption.

    Search related documents:
    Co phrase search for related documents
    • PEEP patient maintain and PReVentS circuit: 1
    • PEEP patient maintain and ventilation patient maintain: 1
    • pressure adjustment allow and valve adjustment: 1
    • pressure adjustment and respiratory effort: 1
    • pressure adjustment and valve adjustment: 1, 2, 3, 4
    • pressure relief and PReVentS circuit: 1
    • pressure relief and respiratory effort: 1, 2
    • pressure relief and room air: 1, 2
    • pressure relief and room air entrain: 1
    • pressure relief and valve design: 1
    • pressure relief valve and PReVentS circuit: 1
    • pressure relief valve and respiratory effort: 1, 2
    • pressure relief valve and room air: 1, 2
    • pressure relief valve and room air entrain: 1
    • pressure relief valve and valve design: 1
    • PReVentS circuit and respiratory effort: 1
    • PReVentS circuit and valve design: 1
    • PReVentS circuit and ventilation patient maintain: 1
    • respiratory effort and room air: 1