Fever classification: Difference between revisions
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* Hyperpyrexia (suggestive of [[intracranial hemorrhage]], [[septicemia]], [[Kawasaki disease]], [[thyroid storm]], [[drug fever]]) | * Hyperpyrexia (suggestive of [[intracranial hemorrhage]], [[septicemia]], [[Kawasaki disease]], [[thyroid storm]], [[drug fever]]) | ||
* Hectic or spiking pattern (suggestive of [[biliary tract|biliary]] or [[urinary tract infection]], [[endocarditis]]) | * Hectic or spiking pattern (suggestive of [[biliary tract|biliary]] or [[urinary tract infection]], [[endocarditis]]) | ||
* Morning temperature spikes (s/o [[typhoid fever]], [[tuberculosis]], [[polyarteritis nodosa]]) | |||
* Relapsing pattern (suggestive of ''[[relapsing fever|Borrelia recurrentis]]'', [[typhoid fever]], [[malaria]], [[brucellosis]], [[rat-bite fever]]) | * Relapsing pattern (suggestive of ''[[relapsing fever|Borrelia recurrentis]]'', [[typhoid fever]], [[malaria]], [[brucellosis]], [[rat-bite fever]]) | ||
* Irregular pattern (suggestive of [[fever|factitious fever]]) | * Irregular pattern (suggestive of [[fever|factitious fever]]) | ||
Revision as of 12:31, 20 March 2015
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Classification
Pyrexia (fever) can be classed as:
- Low grade: 38–39°C (100.4–102.2°F)
- Moderate: 39–40°C (102.2–104.0°F)
- High-grade: 40–42°C (104.0–107.6°F)
- Hyperpyrexia: Over 42°C (107.6°F)
Febricula is a mild fever of short duration, of indefinite origin, and without any distinctive pathology.[1]
Fever patterns
- Sustained fever: the fluctuation in temperature during a 24-hour period is 0.3 °C (0.5 °F) or less.
- Remittent fever: the temperature is elevated, and it falls each day, but not to normal, remaining 37.3 °C (99.2 °F) or above. The excursion in temperature is more than 0.3 °C (0.5 °F) and less than 1.4 °C (2.5 °F).
- Intermittent fever: the temperature is elevated but falls to normal (37.2 °C [99 °F] or below) each day. The excursion in temperature is more than 0.3 °C (0.5 °F) and less than 1.4 °C (2.5 °F).
- Hectic fever: remittent or intermittent fever, with a difference of 1.4 °C (2.5 °F) or more between peak and trough.[2]
Fever patterns and their clinical significance
The pattern of fever generally offers little diagnostic value in ascertaining the etiology of fever. Characteristic fever patterns include:[3]
- Sustained fever (suggestive of brucellosis, drug fever, lobar pneumonia, tularemia, typhoid, typhus)
- Remittent fever (suggestive of tuberculosis, mycoplasma pneumonia, malaria, legionellosis)
- Intermittent fever (suggestive of malaria, kala-azar, pyaemia)
- Double quotidian fever (suggestive of Still's disease, legionellosis, miliary tuberculosis, kala-azar)
- Quotidian fever (suggestive of Plasmodium falciparum or Plasmodium knowlesi malaria)
- Tertian fever (suggestive of Plasmodium vivax or Plasmodium ovale malaria)
- Quartan fever (suggestive of Plasmodium malariae malaria)
- Alternate-day fever (suggestive of response to antipyretic dosage schedule)
- Hyperpyrexia (suggestive of intracranial hemorrhage, septicemia, Kawasaki disease, thyroid storm, drug fever)
- Hectic or spiking pattern (suggestive of biliary or urinary tract infection, endocarditis)
- Morning temperature spikes (s/o typhoid fever, tuberculosis, polyarteritis nodosa)
- Relapsing pattern (suggestive of Borrelia recurrentis, typhoid fever, malaria, brucellosis, rat-bite fever)
- Irregular pattern (suggestive of factitious fever)
- Pel-Ebstein pattern (suggestive of Hodgkin's lymphoma)
- Picket fence pattern (suggestive of acute mastoiditis complicated by transverse sinus thrombosis)
- Saddleback pattern (suggestive of dengue fever, leptospirosis, poliomyelitis, human granulocytic ehrlichiosis)
- Wunderlich curve pattern (suggestive of typhoid fever)
References
- ↑ Febricula, definition from Biology-Online.org, consulted June 7, 2006 http://www.biology-online.org/dictionary/Febricula
- ↑ Musher, D. M.; Fainstein, V.; Young, E. J.; Pruett, T. L. (1979-11). "Fever patterns. Their lack of clinical significance". Archives of Internal Medicine. 139 (11): 1225–1228. ISSN 0003-9926. PMID 574377. Check date values in:
|date=(help) - ↑ Isaac, Benedict (1991). Unexplained fever : a guide to the diagnosis and management of febrile states in medicine, surgery, pediatrics, and subspecialties. Boca Raton: CRC Press. ISBN 9780849345562.