Osler's nodes are red, raised lesions on the finger pads, indicative of the heart disease, subacute bacterial endocarditis. They are caused by immune complex deposition. 10-25% of endocarditis patients will have Osler's nodes. It can also be seen on the soles of the feet. They are named after Sir William Osler.

It can also be seen in

• SLE
• marantic endocarditis
• disseminated gonococcal infection
• distal to infected arterial catheter

Eponymous medical signs