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Hypothermia is a condition in which an organism's temperature drops below that required for normal metabolism and bodily functions.

Cold water (San Francisco Bay, coastal waters) quickly sucks the heat out of a warm body, and kayakers are therefore especially at risk to become hypothermic, especially if immersed in cold water for extended time.

* Stage 1: Mild to strong shivering occurs. The person is unable to perform complex tasks with the hands; the hands become numb.
* Stage 2: Shivering becomes more violent. Muscle mis-coordination becomes apparent. Movements are slow and labored, accompanied by a stumbling pace and mild confusion, although the person may appear alert. When asked, they often deny having any problems.
* Stage 3: Body temperature drops below approximately 32C (89.6°F). Shivering usually stops. Difficulty speaking, sluggish thinking, inability to use hands. The exposed skin becomes blue and puffy, muscle coordination becomes very poor, walking becomes almost impossible. The person exhibits incoherent and irrational behavior. This is an emergency situation. Major organs can fail and death can occur.


* Dress for immersion, i.e. the water temperature - not the air temperature! Wear a wet suit or dry suit year round.
* Wear your PFD: a PFD can help minimize some of the heat loss by providing a samll amount of insulation as well as minimizing movement while in the water.
* Eat plenty and keep your body hydrated. This keeps the body fueled and better able to generate heat.
* Avoid alcohol consumption prior to cold exposure as it may increase one's risk of becoming hypothermic.
* Keep an eye out for your fellow paddlers. Once a person experiences mild hypothermia, they are much more likely to act imprudently, and much more likely to capsize, which would make their situation more severe.


* Mild hypothermia: Treament consists of drying, sheltering, and gradually warming of the patient. Encourage physical activities to generate muscle heat, get the person to a dry sheltered area, replace wet clothing with dry layers, and offer warm, sweet drinks.
* Severe hypothermia: This must be treated as a medical emergency and the patient needs professional help at a medical facility.

Table of Contents

Page title Most recent update Last edited by
Leading Group Paddles...On Your Own... May 31, 2010 6:12 PM Susan
River Paddling Terminologies November 20, 2009 4:38 PM Susan
Membership Dues March 18, 2010 2:54 PM Susan
Safety Gear May 11, 2009 9:35 PM Susan
HYPOTHERMIA May 11, 2009 9:32 PM Susan
What to Bring... April 16, 2009 2:13 PM Susan
About Nashville Outdoor Adventures Club January 18, 2010 4:42 PM Susan

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