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Sun May 31, 2015, 04:10 AM

U.S. swimming pools ban long breath-holding after deaths

A U.S. Navy SEAL hopeful and his friend, an off-duty lifeguard, were barreling through underwater drills in a pool just 3.5 feet (1 meter) deep. No one realized anything was wrong until their limp, unconscious bodies were noticed beneath the surface.

This summer, nearly four years after those deaths in a Staten Island pool raised alarms about a little known hazard called shallow-water blackout or hypoxic blackout, New York City is putting up warning signs at all public pools prohibiting prolonged breath holding.

It is part of a movement to raise awareness of the peril that has killed accomplished swimmers and to stop it by banning lengthy breath holding in the nation's estimated 300,000 public pools.

Shallow-water blackout occurs when a person tries to swim underwater for an extraordinarily long time, typically to build endurance. Swimmers often start by taking multiple deep breaths to go a longer distance underwater, causing their blood levels of carbon dioxide to plunge. Once underwater, carbon dioxide levels fail to rise quickly enough to signal the brain to breathe, oxygen levels fall rapidly, and the swimmer faints underwater and drowns.

Read more: http://www.reuters.com/article/2015/05/29/us-usa-drowning-pools-idUSKBN0OE16D20150529

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Reply U.S. swimming pools ban long breath-holding after deaths (Original post)
TexasTowelie May 2015 OP
F4lconF16 May 2015 #1
WinkyDink May 2015 #2

Response to TexasTowelie (Original post)

Sun May 31, 2015, 11:31 PM

1. I'm not a fan.

Don't ban it. Some of us do these drills fairly regularly, and it's necessary for our activities. The difference is that we never (repeat never) do it without someone on the surface monitoring for exactly that.

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Response to TexasTowelie (Original post)

Sun May 31, 2015, 11:54 PM

2. Four deaths in 23 years in NY state. Doesn't seem like an epidemic.

 

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