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Heat Exhaustion

 Facts
 Heat exhaustion is caused by overexposure to sunlight or another heat source 
 and results in dehydration.
 Body temperature is NOT elevated as in heat stroke / sun stroke. 
 The condition is usually temporary and rarely fatal.
 Causes of Injury
 Excessive or prolonged exertion in a hot environment
 Inadequate fluid intake
 Prevention
 Acclimate to the heat.
 Wear long sleeved shirts, long pants and hats to protect from the sun.
 Drink plenty of fluids at regular intervals, not just when thirsty.
 Rest frequently in the shade.
 Avoid exposure to the sun in the hottest part of the day.
 Do NOT sit or lie directly on the ground which can be 300  hotter than the air.
 Planning / Packing  Guide
 See: Dehydration and  Sunburn
 Symptoms
 Early Symptoms:
   • Heavy sweating
   • Excessive thirst
   • Fatigue
   • Muscle cramps
   • Dizziness
 
 Late Symptoms:
   • Headache
   • Lightheadedness
   • Weakness
   • Nausea / vomiting
   • Cool, pale, moist skin

   • Dark-colored urine

   • Blurred Vision
   • Unconsciousness
 First Aid
 Get out of the sun.
 Loosen or remove clothing.
 Lie down.
 Cool head, neck, groin and armpits with a wet cloth.
 Fan to cool body.
 Give sips of water or electrolyte replacement (1/2 cup every 15 min.).
 Gently massage or stretch cramped muscles.
 Watch for signs of heat stroke / sun stroke or shock.
 Related Links
Heat Exhaustion: First Aid
http://www.mayoclinic.com/health/first-aid-heat-exhaustion/FA00020 

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