Which factors increase the risk of smoke inhalation injury from oxides of nitrogen (NOx) exposure?

Updated: Oct 15, 2021
  • Author: Keith A Lafferty, MD; Chief Editor: Joe Alcock, MD, MS  more...
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Any person in one of the following occupational tasks or environments is at risk for accidental exposure to NOx:

  • Unventilated farm silos

  • Welding in confined spaces

  • Detonating nitrogen-based explosives in enclosed spaces (eg, tanks, ships)

  • Handling nitric acid

  • Resurfacing ice arenas

  • Using anesthetic gases

  • Missile fuel oxidizer spills

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