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