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Hyperthermia

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(Redirected from Heat stroke)
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Hyperthermia or heat stroke is a condition which occurs when the body produces or absorbs more heat than it can dissipate. It is usually due to excessive exposure to heat. The heat-regulating mechanisms of the body eventually become overwhelmed and unable to effectively deal with the heat, and body temperature climbs uncontrollably.

Body temperatures above 40°C (104 °F) are life-threatening. (Normal body temp is 37°C) At 41°C (106 °F), brain death begins, and at 45°C (113°F) death is nearly certain. Internal temperatures above 50°C (122°F) will cause rigidity in the muscles and certain, immediate death.

Heat stroke may come on suddenly, but usually follows a less-threatening condition commonly referred to as heat exhaustion

A person suffering from hyperthermia will require immediate medical attention, they should be moved to a cooler area and cooled down with water, or a soaked towel in the areas of the body where heat loss is greatest, for example the neck and torso.

Prevention

Keep hydrated and wear loose fitting clothing, and avoid prolonged exposure to the sun.

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