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  1. SOCIAL QUESTIONS|health|medical science

    #663880

    IATE #3590632
    brú-aeráil dhiúltach uaineach Tagairt Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    intermittent negative pressure ventilation | INPV
    en
    Sainmhíniú mechanical ventilation in which the ventilated patient’s mouth and nose are open to the atmosphere so that gas can move in or out when alveolar pressure changes relative to atmospheric pressure Tagairt "Yuan Lei. 'Lung Ventilation: Natural and Mechanical' (6.8.2020). In: Medical Ventilator System Basics: A clinical guide. Oxford University Press 2017"
    Nóta During inspiration, a negative pressure is applied to the surface of the chest wall, temporarily reducing the alveolar pressure. Fresh air is now sucked into the lungs. During expiration, the applied negative pressure is removed. The elastic recoil force temporarily generates a positive alveolar pressure, squeezing the stale gas out of the lungs. The driving pressure changes opposite to the way it does in IPPV.Today, INPV ventilators are used primarily for non-invasive ventilatory assistance.