Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.
Definition of Osler's nodes
Medically reviewed by Min Clinic Staff | Updated: January 2026
Osler's nodes: These are small (the size of split peas), tender, transient nodules in the pads of fingers and toes and the palms and soles. They are a highly diagnostic sign of bacterial infection of the heart (subacute bacterial endocarditis). Named for the Canadian-born physician Sir William Osler (1849-1919).