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Postgraduate medicine · Jan 1986
Mechanical ventilation. Physiology, equipment design, and management.
- J Popovich.
- Postgrad Med. 1986 Jan 1; 79 (1): 217-20, 223-4, 226-7.
AbstractThe major goals of mechanical ventilation are the prevention of significant respiratory acidosis and the correction of arterial hypoxemia. Ventilators are categorized as negative- or positive-pressure types, depending on their effect on airway pressure. Positive-pressure ventilators, which are used in the treatment of acute respiratory failure, may be subclassified as pressure-, volume-, or time-cycled. Volume types provide stable tidal volumes and inspiratory oxygen concentrations over the range of changing ventilatory conditions seen in acute respiratory failure. Ventilation may be provided in a number of modes. No clear-cut advantage of intermittent mandatory ventilation over assisted mechanical ventilation has been demonstrated. By following simple guidelines, the clinician can initiate mechanical ventilation that provides an ideal ventilatory pattern.
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