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

 

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.

 

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