I haven't dove enriched air nitrox in a while and was suprised at the difference I noticed. I felt a lot better after the dives, no headache, and a better SAC rate. I know there's little to no evidence for this but has anyone noticed this?
Nitrox
I haven't dove enriched air nitrox in a while and was suprised at the difference I noticed. I felt a lot better after the dives, no headache, and a better SAC rate. I know there's little to no evidence for this but has anyone noticed this?
Its been reported anecdotally for a number of years, I have heard dive shop owners use it as a selling point for people to get Nitrox certified.
Personally, I've never noticed any significant change in the way I feel between diving Nitrox vs Air. There seems to be no scientific reason why it should happen, but you are not the first to have said they feel better, less tired etc. when diving Nitrox. It may be a psychological effect, but if you feel better then enjoy that feeling.
Last edited by shinek; 03-02-2009 at 06:57 PM.
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Even if it's just a psychological effect, I still seem to feel better and I know my SAC rate dropped because when I download my computer and if I enter the psi it calculates it. Plus right now it's not costing my anything extra to dive it so I might as well go for it. I'll see if I notice a difference after more than just a few dives.
So if there is NO scientific evidence that increasing O2 has no positive effect, why do we give it for DCS, on all first aid arrivals, as a matter of course in the ER, Child Birth, and another hundred circumstances! There is a ton of evidence that O2 is beneficial. I don't understand how people grow up in this country and the world without learning anything! More O2 means more Red Blood Cell up take and better exchange of waste. That alone will make you feel better let alone the replacement of Nitrogen. So someone needs to tell all those NFL players to put down the O2, seems there is no reason to be sucking it up on the side lines!
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Papa this IS something that we can agree on. Even breathing 100% when not diving feels really good so adding a little on a dive shouldn't hurt as long as proper procedures are followed.
I must be the odd man out, as breathing pure oxygen does absolutely nothing for me. I always chuckled and rolled my eyes with an "un-huh" when I see these so called "oxygen bars" on TV.
IF you experienced fatigue solely as a result of insufficient oxygen, then a higher 02 mix would certainly help. An example might be athletes performing in high altitude. I have flown sailplanes several times to 16,000 feet above mean sea level altitude without supplemental oxygen. One time I was just perfectly fine, the other time I felt quite drowsy and sleepy....time to open up the spoilers and drop down to safe altitudes.
Oxygen is used in hyperbaric treatment to accelerate the removal of nitrogen by eliminating the uptake of additional nitrogen.
But with my luck, this is probably about the point some rocket scientist on gas physiology is about to hand me my rear end on a platter, lol.
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