-
Review Historical Article
A clinician's guide to ventilators: how they work and why they can fail. A classification system to make sense of available options.
- R C Bone and D H Eubanks.
- Rush Medical College, Chicago.
- J Crit Illn. 1992 Mar 1;7(3):379-82, 387-94.
AbstractTo select a ventilator (or a ventilatory mode), consider the most basic characteristics: How is tidal volume generated (with a constant or nonconstant flow or pressure generator)? How does the ventilator trigger a changeover from exhalation to inhalation and cycle back to exhalation? How is tidal volume delivered to the patient (either directly from a power source or indirectly from an intermediate chamber)? What special functions are available? The answers to these questions will not only let you make the best selection but will also help you troubleshoot when a ventilator fails to function properly.
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