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Heat exhaustion

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Title: Heat exhaustion  
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Subject: Loaded march, Box (torture), Excessive heat warning, Heat illness, Ambulance bus
Collection: Effects of External Causes, Medical Emergencies
Publisher: World Heritage Encyclopedia

Heat exhaustion

Heat exhaustion is a severe form of heat illness. It is a medical emergency. Heat exhaustion is caused by the loss of water and sodium through sweating.


  • Signs and symptoms 1
  • Treatment 2
  • Prognosis 3
  • References 4

Signs and symptoms

Symptoms of heat exhaustion include nausea, dizziness, irritability, headache, thirst, weakness, high body temperature, excessive sweating, and decreased urine output.[1]


First aid for heat exhaustion involves moving the affected person to a cool environment and administering cold liquids.[1]


If untreated, heat exhaustion may progress to heat stroke.[1]


  1. ^ a b c Jacklitsch, Brenda L. (June 29, 2011). "Summer Heat Can Be Deadly for Outdoor Workers". NIOSH: Workplace Safety and Health. Medscape and NIOSH. 
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