A severe and often fatal illness produced by exposure to excessively high temperatures, especially when accompanied by marked exertion; characterized by headache, vertigo, confusion, hot dry skin, and a slight rise in body temperature; in severe cases, very high fever, vascular collapse, and coma develop. SYN: heat apoplexy (1), heat hyperpyrexia, malignant hyperpyrexia, thermic fever.

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heat·stroke 'hēt-.strōk n a condition marked esp. by cessation of sweating, extremely high body temperature, and collapse that results from prolonged exposure to high temperature compare HEAT EXHAUSTION

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raised body temperature (pyrexia), absence of sweating, and eventual loss of consciousness due to failure or exhaustion of the temperature-regulating mechanism of the body. It is potentially fatal unless treated immediately: the body should be cooled by applying damp cloths and body fluids restored by giving drinks or intravenous injections of salted water.

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heat·stroke (hētґstrōk″) see under stroke.

Medical dictionary. 2011.

Look at other dictionaries:

  • heatstroke — n. A physiological disturbance caused by exposure to excessive heat, resulting in rapid pulse, hot dry skin, and fever, leading to loss of consciousness. [WordNet 1.5] …   The Collaborative International Dictionary of English

  • heatstroke — ► NOUN ▪ a feverish condition caused by failure of the body s temperature regulating mechanism when exposed to excessively high temperatures …   English terms dictionary

  • heatstroke — [hēt′strōk΄] n. a serious failure of the body s heat regulation mechanisms resulting from excessive exposure to intense heat and characterized by high fever, dry skin, collapse, and sometimes convulsions or coma: cf. HEAT EXHAUSTION, SUNSTROKE …   English World dictionary

  • heatstroke — /heet strohk /, n. a disturbance of the temperature regulating mechanisms of the body caused by overexposure to excessive heat, resulting in fever, hot and dry skin, and rapid pulse, sometimes progressing to delirium and coma. [1870 75; HEAT +… …   Universalium

  • heatstroke — noun Date: 1874 a condition marked especially by cessation of sweating, extremely high body temperature, and collapse that results from prolonged exposure to high temperature compare heat exhaustion …   New Collegiate Dictionary

  • heatstroke — noun hyperthermia See Also: sunstroke …   Wiktionary

  • heatstroke — heat|stroke [ˈhi:tstrəuk US strouk] n [U] fever and weakness caused by being outside in the heat of the sun for too long →↑sunstroke …   Dictionary of contemporary English

  • heatstroke — heat|stroke [ hit,strouk ] noun uncount a serious medical condition caused by doing too much physical activity in hot weather …   Usage of the words and phrases in modern English

  • heatstroke — see heat stroke …   English dictionary

  • heatstroke — n. condition caused by excessive exposure to heat and characterized by fever and headaches …   English contemporary dictionary

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