Definition:
Heat stroke is also called as Hyperthermia it is an acute condition which occurs when the body produces or absorbs more heat that it can dissipate.
Diagnosis:
Heat stroke may come on suddenly, but usually follows a less-threatening condition commonly referred to as heat exhaustion or heat prostration. After effects may be sensitivity to heat.
Treatment:
The risk of heatstroke can be reduced by observing precautions to avoid overheating and dehydration. Light, loose-fitting clothing will let perspiration to evaporate. Wide-brimmed hats in bright color keep the sun from warming the head and neck; vents on a hat will let perspiration to cool the head. Strenuous exercise should be not be practiced during daylight hours in hot weather; so should remaining in enclosed spaces (such as automobiles).
Symptoms and Signs:
The skin will become red as blood vessels dilate in an attempt to increase heat dissipation. The low blood pressure will cause blood vessels to contract as heat stroke progresses, resulting in a pale or bluish skin color. Complain regarding hot feeling may be followed by chills and trembling, as is the case in fever. Some victims, considering young children, may suffer convulsions. Acute dehydration that accompanies heat stroke can produce nausea and vomiting; temporary blindness may also be observed. Eventually, as body organs begin to defuse, unconsciousness and coma will result.
Causes:
Hyperthermia can be created artificially by drugs or medical devices. In these circumstances it may be used to treat cancer and other conditions. Malignant hyperthermia is a unusual complication of some types of general anesthesia.
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