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1. A barrier device used in infection control to prevent health care providers from breathing or coughing on patients. It is also employed to prevent patients' sneezes and sputum from making contact with the health care provider's face or eyes or from being inhaled.
2. A device that covers the mouth, nose, or both of a patient who requires positive-pressure, noninvasive ventilation or continuous positive pressure-ventilation (CPAP).
See also: mask
The simplest way of delivering a high level of oxygen to patients with ARDS or other low-oxygen conditions.
Mentioned in: Adult Respiratory Distress Syndrome
1. the anterior aspect of the head from the forehead to the chin, inclusive.
2. any presenting aspect or surface.
Muscaautumnalis, a vector for infectious bovine keratoconjunctivitis in the USA.
used in the semi-open method of anesthesia which ensures that all of the inspired air and gas passes through a mask and is exited to the atmosphere. Several patent masks are available for use in animals, e.g. Cox and Schimmelbush masks.