Fever of unknown origin - Revision history

Danbot: Strip excess bold

2026-03-22T09:38:32Z

Strip excess bold

2026-03-09T19:34:52Z

Role of the Emergency Physician

← Older revision		Revision as of 19:34, 9 March 2026
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	\|}		\|}

	~~===Role of the Emergency Physician===~~
	*True classic FUO is rarely diagnosed in the ED — most ED patients with unexplained fever have an '''acute undifferentiated febrile illness''' of shorter duration		*True classic FUO is rarely diagnosed in the ED — most ED patients with unexplained fever have an '''acute undifferentiated febrile illness''' of shorter duration
	*The ED role is to:		*The ED role is to:
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	**Recognize patterns that suggest specific diagnoses (see Clinical Features)		**Recognize patterns that suggest specific diagnoses (see Clinical Features)
	*'''Avoid empiric antibiotics''' in hemodynamically stable FUO patients without a suspected source — this can mask infection, delay diagnosis, and confuse cultures<ref name="AAFP2022"/>		*'''Avoid empiric antibiotics''' in hemodynamically stable FUO patients without a suspected source — this can mask infection, delay diagnosis, and confuse cultures<ref name="AAFP2022"/>
	**Exception: empiric antibiotics are appropriate if the patient is septic, neutropenic, or immunocompromised		'''**Exception: empiric antibiotics are appropriate if the patient is septic, neutropenic, or immunocompromised'''

	==Clinical Features==		==Clinical Features==

2026-03-09T19:34:19Z

2026-03-09T19:29:02Z

@@ Line 7: / Line 7: @@
 ==Differential Diagnosis==
-====Infections (~30%)====
+{{Fever of unknown origin DDX}}
 ==Evaluation==
 ===Workup===

2026-03-09T19:28:12Z

Differential Diagnosis

2026-01-16T00:39:01Z

← Older revision		Revision as of 00:39, 16 January 2026
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	{{~~Adult top}} [[~~fever of unknown origin (peds)]]		{{AdultPage\|fever of unknown origin (peds)}}
	==Background==		==Background==

2019-11-28T23:07:44Z

← Older revision		Revision as of 23:07, 28 November 2019
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			{{Adult top}} [[fever of unknown origin (peds)]]
	==Background==		==Background==

2016-09-09T10:40:38Z

Text replacement - "*CXR" to "*CXR"

2016-08-24T21:11:53Z

Text replacement - " c " to " with "

2016-07-30T08:40:30Z

Text replacement - "BCx" to "blood culture"

← Older revision		Revision as of 08:40, 30 July 2016
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	*MonoSpot		*MonoSpot
	*CXR		*CXR
	*[[~~BCx~~]]		*[[blood culture]]
	*ASLO		*ASLO
	*ANA		*ANA
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	====Phase 2====		====Phase 2====
	*[[LP]]		*[[LP]]
	*[[~~BCx~~]] again		*[[blood culture]] again
	*Sinus/mastoid x-ray		*Sinus/mastoid x-ray
	*Ophtho exam for iridocyclits		*Ophtho exam for iridocyclits