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Faget sign
From WikEM
Background
A pulse-temperature dissociation (aka sphygmothermic dissociation) named after Louisiana physician Jean Charles Faget.
- Typically for every 1 degree of fever the pulse increases by 10 beats/min. When fever is associated with bradycardia, it is referred to as Faget's sign.
Etiology
Common causes include:
- Brucellosis
- Chlamydia
- Colorado tick fever virus
- Coxiella burnetii
- Dengue fever
- Drug fever
- Legionella
- Leptospirosis
- Leishmaniasis
- Mycoplasma
- Psittacosis
- Tularemia
- Typhoid fever
- Yellow fever
