Measurement of fatigue following 18 msw dry chamber dives breathing air or enriched air nitrox.

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Measurement of fatigue following 18 msw dry chamber dives breathing air or enriched air nitrox.

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Title: Measurement of fatigue following 18 msw dry chamber dives breathing air or enriched air nitrox.
Author: Harris, RJ; Doolette, DJ; Wilkinson, DC; Williams, DJ
Abstract: Many divers report less fatigue following diving breathing oxygen rich N2-O2 mixtures compared with breathing air. In this double blinded, randomized controlled study 11 divers breathed either air or Enriched Air Nitrox 36% (oxygen 36%, nitrogen 64%) during an 18 msw (281 kPa(a)) dry chamber dive for a bottom time of 40 minutes. Two periods of exercise were performed during the dive. Divers were assessed before and after each dive using the Multidimensional Fatigue Inventory-20, a visual analogue scale, Digit Span Tests, Stroop Tests, and Divers Health Survey (DHS). Diving to 18m produced no measurable difference in fatigue, attention levels, ability to concentrate or DHS scores, following dives using either breathing gas.
Description: Undersea & Hyperbaric Medicine : Journal of the Undersea and Hyperbaric Medical Society, Inc.
URI: http://archive.rubicon-foundation.org/3975
Date: 2003

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