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Heat illness is a spectrum of disorders due to increased body temperature. It can be caused by either environmental conditions or by exertion . It includes minor conditions such as heat cramps, heat syncope, and heat exhaustion as well as the more severe condition known as heat stroke. [ 1 ]
The incidence of heat stroke is higher among men; however, the incidence of other heat illnesses is higher among women. [29] The incidence of other heat illnesses in women compared with men ranged from 1.30 to 2.89 per 1000 person-years versus 0.98 to 1.98 per 1000 person-years. [29]
In humans, hyperthermia is defined as a temperature greater than 37.5–38.3 °C (99.5–100.9 °F), depending on the reference used, that occurs without a change in the body's temperature set point. [3] [10] The normal human body temperature can be as high as 37.7 °C (99.9 °F) in the late afternoon. [2]
Heatstrokes can cause severe symptoms, including changes in mental status, coma and seizures.A milder form of heat-related illness, known as heat exhaustion, can cause headache, nausea or dizziness.
A new study on heat-related deaths in the U.S. between the years 1999 and 2023 found that last year — the hottest year on record — had the most number of deaths in which heat was cited as an ...
A feeling of pressure and squeezing in the chest is a serious indication that medical care is essential because chest pain and discomfort is one of the most common symptoms of heart attack in men.
Treatment is directed at making the affected person feel more comfortable, and, if possible, resolving the underlying cause of the heat intolerance. Symptoms can be reduced by staying in a cool environment. Drinking more fluids, especially if the person is sweating excessively, may help.
The human body can’t tolerate its temperature reaching 43 degrees C (about 109.4 degrees F). ... “Metabolic heat builds up inside your body and leads to a very high fever and heat stroke and ...