Faget sign – Relative bradycardia

Faget sign is often seen in:

  • Yellow fever
  • Typhoid fever
  • Brain abscess
  • Tularaemia
  • Brucellosis
  • Colorado tick fever
  • Some pneumonias – Legionella pneumonia and Mycoplasma pneumonia
  • Drug fever (e.g. beta-blockers, known as the Beta-Faget sign)

Faget sign – Relative bradycardia

  • Fever is usually accompanied by tachycardia – called “Liebermeister’s rule
  • Faget sign is named after Louisiana physician Jean Charles Faget
  • Fever associated with relative bradycardia – temperature pulse dissociation – Relatively pulse do not increase [ Relative bradycardia] with rise in high temperature
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