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==Overview== | ==Overview== | ||
Fever (also known as pyrexia, or a febrile response from the [[Latin]] word ''[[febris]]'', meaning fever, and archaically known as '''ague''') is a frequent [[medicine|medical]] symptom that describes an increase in internal [[body temperature]] to levels that are above normal (the common oral measurement of [[normal human body temperature]] is 36.8±0.7 °C or 98.2±1.3 °F). Fever is most accurately characterized as a temporary elevation in the body's thermoregulatory set-point, usually by about 1–2°C. Fever differs from [[hyperthermia]], which is an increase in body temperature over the body's thermoregulatory set-point (due to excessive heat production or insufficient [[thermoregulation]], or both). [[Carl Reinhold August Wunderlich|Carl Wunderlich]] discovered that fever is not a disease but a symptom of disease. | Fever (also known as pyrexia, or a febrile response from the [[Latin]] word ''[[febris]]'', meaning fever, and archaically known as '''ague''') is a frequent [[medicine|medical]] symptom that describes an increase in internal [[body temperature]] to levels that are above normal (the common oral measurement of [[normal human body temperature]] is 36.8±0.7 °C or 98.2±1.3 °F). Fever is most accurately characterized as a temporary elevation in the body's thermoregulatory set-point, usually by about 1–2°C. Fever differs from [[hyperthermia]], which is an increase in body temperature over the body's thermoregulatory set-point (due to excessive heat production or insufficient [[thermoregulation]], or both). [[Carl Reinhold August Wunderlich|Carl Wunderlich]] discovered that fever is not a disease but a symptom of disease. | ||
===Variations in Body Temperature=== | |||
There are many variations in normal body temperature, and this needs to be considered when measuring fever. | |||
==References== | ==References== |
Revision as of 14:56, 7 May 2013
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Fever (also known as pyrexia, or a febrile response from the Latin word febris, meaning fever, and archaically known as ague) is a frequent medical symptom that describes an increase in internal body temperature to levels that are above normal (the common oral measurement of normal human body temperature is 36.8±0.7 °C or 98.2±1.3 °F). Fever is most accurately characterized as a temporary elevation in the body's thermoregulatory set-point, usually by about 1–2°C. Fever differs from hyperthermia, which is an increase in body temperature over the body's thermoregulatory set-point (due to excessive heat production or insufficient thermoregulation, or both). Carl Wunderlich discovered that fever is not a disease but a symptom of disease.
Variations in Body Temperature
There are many variations in normal body temperature, and this needs to be considered when measuring fever.