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mechanical ventilation

 

Definition: any mechanically assisted breathing, employing either positive- or negative-pressure devices. Some positive-pressure devices require intubation of the trachea, others require only a mask applied to mouth or nose. For the past several decades, the standard way of ventilating a patient with respiratory failure mechanically has involved intubation of the trachea and either pressure- or volume-limited application of positive pressure to the lungs through an endotracheal tube; currently, the need for intubation in any case is coming into question and many patients experiencing chronic respiratory failure can be adequately ventilated by noninvasive devices.

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.

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