Heatstroke is a condition caused by your body overheating, usually as a
result of prolonged exposure to or physical exertion in high temperatures.
This most serious form of heat injury, heatstroke can occur if your body
temperature rises to 104 F (40 C) or higher.
Heatstroke requires emergency treatment. Untreated heatstroke can quickly
damage your brain, heart, kidneys and muscles. The damage worsens the
longer treatment is delayed, increasing your risk of serious complications
Heatstroke symptoms include:
- High body temperature. A
body temperature of 104 F (40 C) or higher is the main sign of
- Altered mental state or
agitation, slurred speech, irritability, delirium, seizures and coma can
all result from heatstroke.
- Alteration in sweating. In
heatstroke brought on by hot weather, your skin will feel hot and dry to
the touch. However, in heatstroke brought on by strenuous exercise, your
skin may feel moist.
- Nausea and vomiting. You
may feel sick to your stomach or vomit.
- Flushed skin. Your
skin may turn red as your body temperature increases.
- Rapid breathing. Your
breathing may become rapid and shallow.
- Racing heart rate. Your
pulse may significantly increase because heat stress places a tremendous
burden on your heart to help cool your body.
- Headache. Your
head may throb.
When to see a doctor
If you think a person may be experiencing heatstroke, seek immediate
medical help. Call 911 or your local emergency services number.
Take immediate action to cool the overheated person while waiting for
- Get the person into shade or indoors.
- Remove excess clothing.
- Cool the person with whatever means
available — put in a cool tub of water or a cool shower, spray with a
garden hose, sponge with cool water, fan while misting with cool water,
or place ice packs or cold, wet towels on the person's head, neck,
armpits and groin.
Infomation from: http://www.mayoclinic.org/