Shallow
water blackout occurs when the O2 levels in the body drop too low and the CO2
levels too high. This causes the body to fall into unconsciousness because of
the urgent need to breathe. When the person is unconscious, they will
automatically breathe in thus causing the subject to drown.
This
promotes serious risks to the person’s health and wellbeing while participating
in these “breathe holding” games as serious harm could be caused to the person.
The signs of a shallow water blackout are not indicative of an upcoming
blackout. In fact there are no physical symptoms of an incurring loss of
consciousness. It could even occur when the individual does not feel the need
to breathe. The medical definition of “shallow water” defines any water above
the depth of 5 metres.
The
discussion around shallow water blackout has come into the spotlight recently.
After deaths involving children without supervision have been recorded in
England and Australia.
The sudden
urge to breath in which happens when the person in context is performing
“Apnea”(breath holding) has built up too much carbon dioxide in their
bloodstream over taking the oxygen level thus needed to be released as a waste.
http://en.wikipedia.org/wiki/Shallow_water_blackout
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