NITROGEN ELIMINATION AND OXYGEN ABSORPTION AT HIGH BAROMETRIC PRESSURES

Abstract
Excess N gas absorbed by divers exposed in a compression chamber to a simulated depth of 100 feet is usually eliminated more rapidly when O2 is breathed at a level between 50 and 60 ft. in comparison with higher or lower levels. The retardation in the elimination of N observed at the 100 foot depth when O2 is breathed is attributed to the vasoconstriction and slowed circulation incident to O2 inhalation. The increased O2 absorption accompanying Oa inhalation at high pressures can be accounted for on the basis of O2 taken up by the tissues in physical soln.

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