The breakdown of the body’s heat regulatory system (body temperature more than 40.5 degrees C [105 degrees F]) causes a heatstroke. Other heat injuries, such as cramps or dehydration, do not always precede a heatstroke. Signs and symptoms of heatstroke are–

 

Swollen, beet-red face

 

Reddened whites of eyes

 

Victim not sweating

Unconsciousness or delirium, which can cause pallor: a bluish color to lips and nail beds (cyanosis), and cool skin

Note: By this time the victim is in severe shock. Cool the victim as rapidly as possible. Cool him by dipping him in a cool stream. If one is not available, douse the victim with urine, water, or at the very least, apply cool wet com-presses to all the joints, especially the neck, armpits, and crotch. Be sure to wet the victim’s head. Heat loss through the scalp is great. Administer IVs and provide drinking fluids. You may fan the individual.

Expect, during cooling–

Vomiting

 

Diarrhea

Struggling

 

Shivering

 

Shouting

Prolonged unconsciousness

Rebound heatstroke within 48 hours

Cardiac arrest; so it is important to be ready to perform CPR

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