Fever of unknown origin history and symptoms: Difference between revisions
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{{SK}} febris continua e causa ignota; febris e causa ignota; febris E.C.I.; FUO; PUO; pyrexia of unknown origin | {{SK}} febris continua e causa ignota; febris e causa ignota; febris E.C.I.; FUO; PUO; pyrexia of unknown origin | ||
== | ==History== | ||
===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.<ref>{{Cite journal| issn = 0003-9926| volume = 139| issue = 11| pages = 1225–1228| last1 = Musher| first1 = D. M.| last2 = Fainstein| first2 = V.| last3 = Young| first3 = E. J.| last4 = Pruett| first4 = T. L.| title = Fever patterns. Their lack of clinical significance| journal = Archives of Internal Medicine| date = 1979-11| pmid = 574377}}</ref> | |||
===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:<ref>{{cite book | last = Isaac | first = Benedict | title = Unexplained fever : a guide to the diagnosis and management of febrile states in medicine, surgery, pediatrics, and subspecialties | publisher = CRC Press | location = Boca Raton | year = 1991 | isbn = 9780849345562 }}</ref> | The pattern of fever generally offers little diagnostic value in ascertaining the etiology of fever. Characteristic fever patterns include:<ref>{{cite book | last = Isaac | first = Benedict | title = Unexplained fever : a guide to the diagnosis and management of febrile states in medicine, surgery, pediatrics, and subspecialties | publisher = CRC Press | location = Boca Raton | year = 1991 | isbn = 9780849345562 }}</ref> | ||
* Sustained fever (suggestive of [[brucellosis]], [[drug fever]], [[lobar pneumonia]], [[tularemia]], [[typhoid]], [[typhus]]) | * Sustained fever (suggestive of [[brucellosis]], [[drug fever]], [[lobar pneumonia]], [[tularemia]], [[typhoid]], [[typhus]]) | ||
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* Saddleback pattern (suggestive of [[dengue fever]], [[leptospirosis]], [[poliomyelitis]], [[human granulocytic ehrlichiosis]]) | * Saddleback pattern (suggestive of [[dengue fever]], [[leptospirosis]], [[poliomyelitis]], [[human granulocytic ehrlichiosis]]) | ||
* Wunderlich curve pattern (suggestive of [[typhoid fever]]) | * Wunderlich curve pattern (suggestive of [[typhoid fever]]) | ||
==References== | ==References== | ||
{{Reflist|2}} | {{Reflist|2}} | ||
Revision as of 21:15, 19 March 2015
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Synonyms and keywords: febris continua e causa ignota; febris e causa ignota; febris E.C.I.; FUO; PUO; pyrexia of unknown origin
History
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.[1]
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:[2]
- 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)
- 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
- ↑ 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.