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Recurrent hypothermia can occur spontaneously at any time. Individuals will also present with profuse sweating, mainly in the upper body and face. Sweating episodes can last 1-2 hours. Other symptoms can include nausea, vomiting, chills, altered consciousness, and a feeling of weakness.
Hypothermia is the cause of at least 1,500 deaths a year in the United States. [2] It is more common in older people and males. [ 5 ] One of the lowest documented body temperatures from which someone with accidental hypothermia has survived is 12.7 °C (54.9 °F) in a 2-year-old boy from Poland named Adam. [ 6 ]
Physical activity in extremely hot weather should be avoided. If a person starts to experience over heating, and symptoms of heat syncope, they should move or be moved to a shaded or cool area. It is also recommended to avoid alcoholic beverages in hot weather, because they cause dehydration which may worsen symptoms.
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]
As this trend continues, populations with greater susceptibility to heat exhaustion, such as children, older adults, and individuals with chronic diseases, are at an increased risk. [17] [2] Common causes of heat exhaustion and other heat-related illnesses include: [18] Prolonged exposure to hot, sunny, or humid weather conditions
Sudden immersion into freezing water does not typically cause death by hypothermia, but rather from the cold shock response, which can cause cardiac arrest, heart attack, or hyperventilation leading to drowning. [286] Cremated remains are not ashes in the usual sense.
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In children, compensation can result in an artificially high blood pressure despite hypovolemia (a decrease in blood volume). Children typically are able to compensate (maintain blood pressure despite hypovolemia) for a longer period than adults, but deteriorate rapidly and severely once they are unable to compensate (decompensate). [14]