Wow. Hypoxia effects demonstration

[cmint]

Wow.

Watch this. you need to watch this.

I realize this is about aviation, but just imagine being a few thousand feet back and having that " but I don't want to die " moment that this guy experiences at 6 minutes and 30 seconds into the video. What amazes me is how fast he went from coherent to " I don't have a freaking clue how to save myself "

https://www.youtube.com/watch?v=kUfF2MTnqAw

[tflaris]

Thanks for sharing


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[Kelly Jessop]

Thanks for sharing

[FW]

...What amazes me is how fast he went from coherent to " I don't have a freaking clue how to save myself "..

Having had it happen twice now, I can tell you it would be fatal even just 100' into a cave. I was very lucky it happened while I was still in the headpool, AND shallow enough to just stand up. Neither time did I have the presence of mind to close the DSV. You only have seconds to act, by the time you realize what is going on.

[decostanza]

very interesting video, thanks for sharing the link!

[Kelly Jessop]

Having had it happen twice now, I can tell you it would be fatal even just 100' into a cave. I was very lucky it happened while I was still in the headpool, AND shallow enough to just stand up. Neither time did I have the presence of mind to close the DSV. You only have seconds to act, by the time you realize what is going on.

Happened to a Nobel Peace prizing winning scientist in a shallow area of Wakulla basin

[PfcAJ]

Happened to a Nobel Peace prizing winning scientist is a shallow area of Wakulla basin

also happened to a wkpp diver in the wakulla basin but his buddy rescued him

hypoxia is no joke

[adam0321]

We have to go through this training every 3 years while on jump status. The point is that you realize what is going on and act accordingly. You don't have to remain hypoxic for any period of time. They take you to about 25k and then remove you from oxygen to see how quickly you notice the effects and put your mask back on. I notice my fingers begin to tingle ad a first sign. Not something I would notice in a cave. I have witnessed people just dropping on the ramp of a plane before exiting at 25k because there was a broken on the mask. Scary stuff

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[TONY CHANEY]

I went thru the "chamber" while on active duty. It is deadly and not very easy to detect. What I thought was very interesting was that the Lt. playing paddy cakes with me (everyone gets a task to perform) lost right from the get go. After everyone was back on oxygen, the flight surgeon was still doing perfect. The chamber crew just asked him to go back on O2. I am not too sure how he was
able to perform so well for so long. Adam, you ever see happen? You went thru it many more times than me. For me once.

[tursiops]

Years ago I had to go through that training for some Navy research flights I was going to be on.
There were four of us, all hot-shot young scientists, in good shape. I was a DIVER, so I knew about breathing slow and easy.
We were given cognitive/coordination skills to do, and we were all videoed. At 4 mins they put the mask back on us, whether we asked for it or not.
We looked at the video afterwards.
Two guys were playing patty-cake; after a while one of them just stopped moving, the other guy kept moving, pushing his hands against nothing.
One guy was turning over playing cards, saying the face value, and tossing them in a wastebasket. After a while he went Ace of spades, 3 of diamonds, 4 of clubs, 4 of clubs, 4 of clubs, no matter what the face value was. He never missed the wastebasket, but his brain stopped.
I was supposed to run a pencil through a maze, turn the page over, and do some simple math problems. My pencil mark got about half-way through the maze, then wandered off in random directions until it got off the page. On the other side I had put little squiggles at each math problem, but nothing was recognizable as a number.

I've been greatly respectful of hypoxia ever since.