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re: Three dead after dry ice thrown into swimming pool during party
Posted on 3/2/20 at 9:20 am to yankeeundercover
Posted on 3/2/20 at 9:20 am to yankeeundercover
quote:
I’m confused. How did the dry ice kill them? Freeze burns? Oxygen depletion? Hypothermia?
CO2 is heavier than the nitrogen-oxygen mix that is air, so if you're sitting in a pool with your head just above water, the released CO2 will sit on top of the water and displace the air. I can see how someone can instantly panic and not think to get out of the water. I didn't see the video so I'm not sure if that's exactly what happened, but the relevant point is that CO2 is heavier than air.
1
Posted on 3/2/20 at 9:35 am to John88
That's one hell of a visual effect
Posted on 3/2/20 at 10:00 am to Eric Stratton
CO2 in high dosages is both a primary toxicant and an asphyxiant. Breathing high doses renders you unconscious virtually instantaneously, shutting down your entire respiratory system shortly after that.
Information on CO2 poisoning/asphyxiation
C9
Information on CO2 poisoning/asphyxiation
C9
Posted on 3/2/20 at 2:18 pm to TouchedTheAxeIn82
So kinda like a fire would kill you because it saps/steals the oxygen out of the immediate area and people suffocate and die from a fire without actually being burned?
Posted on 3/2/20 at 3:17 pm to yankeeundercover
quote:
So kinda like a fire would kill you because it saps/steals the oxygen out of the immediate area and people suffocate and die from a fire without actually being burned?
Can't know for sure, but in this case I don't think so. It sounds like the victims suffered from acute CO2 toxicity, were rendered immediately unconscious and their respiratory system shut down. With a simple case of asphyxiation you would think at least some of them would have been able to get out. Article says they were rendered unconscious almost immediately - average person would need several minutes to die of asphyxiation due to a simple displacement of oxygen.
C9
Posted on 3/2/20 at 4:56 pm to C9
quote:
Can't know for sure, but in this case I don't think so. It sounds like the victims suffered from acute CO2 toxicity, were rendered immediately unconscious and their respiratory system shut down. With a simple case of asphyxiation you would think at least some of them would have been able to get out. Article says they were rendered unconscious almost immediately - average person would need several minutes to die of asphyxiation due to a simple displacement of oxygen.
C9
That's a very interesting theory, C9.
Sincerely,
Giantkiller
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