What is heat stroke? Heat stroke is actually a form of hyperthermia where the body temperature reaches an abnormally elevated level. It can cause physical and neurological symptoms that can be fatal if not properly and promptly treated.
What are the symptoms of heat stroke? Symptoms may differ from person to person but common ones include a high body temperature, rapid pulse, having red, flushed skin without sweating, the absence of sweating, difficulty breathing, strange behavior/confusion, hallucinations, agitation, and seizure.
How do you treat heat stroke? It is important that you receive immediate treatment. First, get to a shady area and remove your clothing. Apply cool water to your skin (spray or apply a damp cloth) and if anothe person is present, have them fan you. You can also apply ice packs to your armpits and groin if available. If your body temperature does not drop to 101, call 911 immediately.
Learn more about heat stroke at the About.com First Aid site.