17 - Fever of Unknown Origin Flashcards
What are the 4 criteria for FUO?
fever >38.3 X2
duration > 3 weeks
no immunodeficiency
unclear diagnosis after thorough investigation (history-physical examination-lab-imaging)
FUO is usually an __ presentation of a __ disease rather than a __ one, especially in __ population
atypical
common
rare
older
The common etiologies of FUO are: 6
endocarditis diverticulitis osteomyelitis TB Q fever Whipple
When dealing with FUO with signs of endocarditis, remember __. These pathogens are hard to __ and might turn result sterile. Other etiologies may include: 3
HACEK culture paraneoplastic syndrome lupus APLA
Which inflammatory diseases may cause FUO?
large vessels vasculitis
polymyalgia rheumatica
FMF
Still’s disease
When approaching FUO, we must first stop __ and __
Abx
steroids