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The way the physician that was interviewed was quoted...it may be the article, but I would not count it as scientific proof of DCS that a person is treated in a chamber. Not even the symptoms improving may be a real proof, as joint pain from a virus infection will vanish in any case, also while...

I am not a physician, but: isn't the May 16 event before you even went diving? If so, then the root cause also has to be outside diving, no? To me, what you describe happened on this day sounds like what I heard from a friend who had inner ear ischemia. This can result in acute vertigo, and also...

Dan G, as said, I have no personal experience climbing Everest. I do however have every reason to believe that media make it sound much easier than it actually is. It is not a walk, it is not being dragged up by guides. It is still climbing on fixed ropes for hours and days, using your crampons...

This entire case sounds very strange. I suppose the physicians treating him recognised DCS correctly, but I would be very hesitant to draw any conclusions without knowing at the very least the pre-flight surface interval, the dive profiles, and whatever needs to be known about collapsing after...

I am not so sure any comparison is straightforward. I have never climbed mountains anywhere near as high as Everest, but I consider myself an alpinist. What I think is safe to say is that the accepted level of risk and exposure in mountaineering is _far_ higher than in diving. Divers will mostly...

No one will be able to say for sure from a distance. I would however still say the post above mine sounds really overly drastic. I would still immediately call a medical helpline (like Aquamed or DAN), and discuss the situation in detail with them. They will probably have a better shot at...

Why is it 47m, not 42m as it should be?

Not to sound smart, and congratulations to your OWD, but: You probably mean Las Palmas on Gran Canaria, not La Palma (the island), right? La Palma also has really nice dive sites!

I am not anxious. It was just a neutral statement, sorry if it came across as anything else. I may simply have overlooked extensive use of caps lock here ;)

I am left handed. I sometimes feel the effect, like with the question on which side weight belts will normally have the buckle. But I try and adapt ;)

I can say for sure that in German there can be cases where upper and lower case can be a case of great concern ;)

Before this thread I actually never noticed that this was a problem here on this board.

I think it is both. Narcosis, like all things that effect cognition, is never disentangled from what the subject makes of it.

To the very best if my knowledge, the Atomic 2nd stages are exactly the same whether you buy a "cold water" (sealed) Z3 regulator set, or a warm water version. The relevant difference is the Christolube - packing of the first stages. I do dive a Z2 second stage in cold water, and as of yet never...

Well that may be, but such a messed up ascent will not be a good experimental set up to answer the question of post-dive tiredness. That manifest DCS risk under identical profiles will be smaller with Nitrox is well tested...

Such studies are normally done by agencies that use scuba divers on specific missions. Thus they will test profiles that are more or less similar to their real life situations. Very aggressive profiles will anyhow bend a lot of divers, which only further complicates the problem of disentangling...

The ROS typically discussed in this context would superoxide(s) and to some extend the hydroxyl ion. Potential (!, this is important, as with many other topics, it will be very hard to arrive at high statistical confidence) pO2 influence on post-dive alertness parameters is discussed in...

It stands to reason however that for many real profiles, people will simply incur more stress due to radical oxygen species for reduced decompression stress. The most simple explanation, and one that is not in conflict with any scientific study, for the many people that feel less tired with...

I am not concerned about me. But as said, the number of divers and the number of soft lead packages for some lakes for sure will be noticeable.

The "lead" part is especially strange, as some divers will carry kilograms of lead in the bag...actually, in the quantities we use while diving one can really wonder if this is healthy. For us, but also for the marine environment. Although of course there exist sealed solid blocks. I have to say...