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Tag Archive: oxygen


Sidemount Technical Wreck Diving Subic Bay Philippines

OXYGEN EXPOSURE MANAGEMENT by Richard D. Vann Oxygen metabolism is the primary energy source in higher life forms, but when oxygen enters the metabolic process prematurely, reactive oxygen species can form which interfere with normal function and cause convulsions or other symptoms of oxygen toxicity. Immersion, exercise, and inspired carbon dioxide increase susceptibility to oxygen […]

Sidemount Technical Wreck Diving Subic Bay Philippines

The Physics of Diving – Scuba Gas Laws A concise explanation of the critical scuba gas laws for divers by Andy Davis Scuba diving is all about getting gas into your body while you are underwater. What complicates scuba diving is the way gasses behaves at depth, under pressure, in your body and in your […]

nitrogen-narcosis-critical-flicker-frequency-fusion-study

Does Nitrogen Narcosis Impairment Persist? by Andy Davis. A new study on nitrogen narcosis challenges the long held presumption that nitrogen narcosis impairment dissipates immediately on ascent from depth.  A scientific study, ‘Persistence of Critical Flicker Fusion Frequency Impairment; Evidence of Prolonged Nitrogen Narcosis,’ first published in 2012 in the European Journal of Applied Physiology, by Costantino […]

Sidemount Technical Wreck Diving Subic Bay Philippines

Decompression Gases – Efficiency Ratios Deco Gas Efficiency Ratio Air 1:1 32% 1:1.6 36% 1:1.21 40% 1:1.26 50% 1:1.32 80% 1:1.36 100% 1:1.40 Theoretical efficiency ratios for decompression gas options.

Sidemount Technical Wreck Diving Subic Bay Philippines

What is Hyperbaric Oxygen Therapy (HBOT)? ANDI International Hyperbaric Research Center 74 Woodcleft Ave, Freeport NY 11520 516-546-2026 Article reproduced courtesy of Bruce Konefe  Hyperbaric is simply referencing a condition that is above standard atmospheric pressure. Instead of breathing the normal 21% oxygen, the therapy involves breathing 100% oxygen in a chamber that is moderately […]