The risk of heat stroke can be reduced by observing precautions to avoid overheating and dehydration. Light, loose-fitting clothes will allow perspiration to evaporate and cool the body. Wide-brimmed hats in light colors help prevent the sun from warming the head and neck. Vents on a hat will help cool the head, as will sweatbands wetted with cool water. Strenuous exercise should be avoided during hot weather, especially in the sun peak hours as well as avoiding confined spaces (such as automobiles) without air-conditioning or adequate ventilation. In hot weather, people need to drink plenty of cool liquids and mineral salts to replace fluids lost from sweating. Thirst is not a reliable sign that a person needs fluids. A better indicator is the color of urine. A dark yellow color may indicate dehydration. Example of a checklist designed to help protect workers from heat stress: * Know signs/symptoms of heat-related illnesses. * Block out direct sun and other heat sources. * Drink fluids often, and before you are thirsty. * Wear lightweight, light-colored, loose-fitting clothes. * Avoid beverages containing alcohol or caffeine.
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medical cause of Hyperthermia
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