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Papers And Originals

Audible Noise Levels of Oxygen Masks Operating on Venturi Principle

Br Med J 1973; 4 doi: (Published 15 December 1973) Cite this as: Br Med J 1973;4:652
  1. Julian M. Leigh


    Certain oxygen therapy masks operating with a venturi were found to possess audible noise levels sufficient to cause annoyance to the user. This was not true of all masks. However, it is recommended that this is a source of noise pollution that should be eliminated by the manufacturers of such devices.