DR BARRY SLAVEN / SCIENCE PHOTO LIBRARY DR BARRY SLAVEN / SCIENCE PHOTO LIBRARY
Editorial use only.
Pre-oxygenating a patient for general anaesthesia. Mask being used to deliver oxygen to a patient prior to the use of general anaesthesia in surgery. Pre-oxygenation helps to minimise some of the risks associated with general anaesthesia, where a patient is rendered unconscious to allow major surgery to be performed.
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