July 11, 2007
At what water temperature does hypothermia set in?
Assume an average size, average build adult male, naked, no movement. What is the water temperature above which hypothermia never occurs? I have not been able to find information on this. The answer 98.6°F is obviously wrong as hypothermia doesn't necessarily occur if the water is colder than the human body. It just has to be cold enough to rob body heat faster than it is produced. Besides I know lots of people who got heat exhaustion in the 95 degree waters of the Arabian Gulf in August.
- When was the last time you felt cold at 95 degrees?
- -32 degrees below 0
- HYPOTHERMIA
Severe accidental hypothermia (body temperature below 30° C (86° F]) is associated with marked depression of cerebral blood flow and oxygen requirement, reduced cardiac output, and decreased arterial pressure. Victims can appear to be clinically dead because of marked depression of brain and cardiovascular function, but full resuscitation with intact neurological recovery is possible, although unusual. The victim's peripheral pulses and respiratory efforts may be difficult to detect, but lifesaving procedures should not be with held based on clinical presentation. - Any temperature below body's one gives hypothermia.
The colder the faster!Th
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