Fever of Unknown Origin and Giant Cell Arteritis

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Teaching Points

  • Definition of Fever of Unknown Origin (FUO):
    • Fever for >3 weeks
    • Documented T>38.3
    • At least 1 week of inpatient investigation or 3 clinic visits
  • FUO Differential: infection (24.5%), malignancy (14.5%), inflammatory (23.5%), micellaneous  (7.5%)
  • FUO labs: CBC, ESR/CRP, LFTs, Blood cultures, UA, CXR, PPD/quant gold, HIV, hepatitis serologies, ANA, RF

PowerPoint: Morning Report 09-19-2016

Further Reading:
A comprehensive evidence based approach to fever of unknown origin