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Thunderball Thunderball is offline

Licensed to Kill

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  1. Thunderball
    08-21-2009 10:41 AM
    Thunderball
    On-gassing and off-gasing are a function of the gradient. That's true. But that is not the entire story. Other things effect diffusion. For example, how long the deco gas is in contact with the alveolar surface, the amount of surfactant present in the alveoli, the health of the lung tissuse (how well it is vascularized). Are there any A-V shunts? Is there a V-Q mismatch (ventilated but not perfused?). Etc.

    By the way, no one has ever measured the efficiency of on-gas / off-gas physiology in vivo. It is all based on theoretical models. Perhaps, there is the possibility of deminishing returns. In other words, not much of a difference between 80% and 100%. Also, by using 80% (or 75% or 85% or 87%. etc...), you are able to start your decompression gas sooner in the deco schedule. Maybe 20 mins of breathing 80% is better that 10 mins of 100%.
  2. kabo123
    05-06-2009 08:45 AM
    kabo123
    he is my neighbor and i reccomend his charter out of my shop

About Me

  • About Thunderball
    Location
    Fort Myers
    Spearfishing Clubs
    Universal Exports
    Make/Model of Boat
    Whatever Q gives me
    Picture
    http://home.att.net/~mk-de-peterson/thunderball.jpg
  • Signature
    Singing to an ocean, I can hear the ocean's roar. (Led Zeppelin).
    www.learn-to-scuba.net

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  • Last Activity: 05-31-2011 12:39 PM
  • Join Date: 06-16-2004

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