Tuesday, 02 February 2010 20:00

Hypothermia is the mental and physical collapse that results from a lowered inner temperature of the body. It commonly develops at 30-50 degrees F when the victim is wet. It is enhanced by water and wind. If you are planning winter camping trips or cross country skiing, be aware of the following.

Symptoms to watch for:

Shivering
Slurred speech
Forgetfulness
Irrational behavior
Clumsiness, fumbling hands, and tumbling
Drowsiness or exhaustion
Lack of concern about physical discomfort

Watch your partner: Hypothermia symptoms are usually noticed by others before the victim is aware of it.

Prevention of Hypothermia: Stay dry and out of the wind. Take clothing suitable for the worst weather expected. If you are unable to stay warm and dry, give up the trip goal, get out of the wind, make camp, build a fire, and drink hot fluids. Make camp while you still have energy left. The fact that you are moving about may be the only thing that is preventing you from becoming hypothermic. Also be aware of wind, chill, dehydration, frostbite, altitude sickness, and hyperventilation.

Adequate clothing is essential for survival in the winter wilderness. When dressing for cross-country skiing, this in terms of layers.

Loose fitting long underwear (wool, silk, polypropylene, or blends)
Long-sleeved wool shirt or ski sweater
Knickers or loose fitting ski pants
Windbreaker or parka with hood
Wool stocking hat, and wool gloves or mittens
Goggles or sunglasses
Two pairs of socks (one light polypropylene, one heavy wool or blend)
Gaiters or boot gloves
A dry set of clothing in the car

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