Sign Up for a Free Account

This is an image preview.
Start a Free Account
to view the full image.

Sign Up for a Free Account For information on discounts, see Plans & Pricing

  • Nearly 3,000 illustrations, including video clips of neurologic disorders.

  • Every article is reviewed by our esteemed Editorial Board for accuracy and currency.

  • Full spectrum of neurology in 1,200 comprehensive articles.

  • Listen to MedLink on the go with Audio versions of each article.

Section of aortic valve in ulcerative endocarditis in a child with acute rheumatic fever

Proliferation and cell infiltration of subendothelial fibrous tissue, resembling the histologic features of subcutaneous nodules. (Source: Cheadle WB. The acute rheumatism of childhood. In: Albutt TC, editor. A System of Medicine, by Many Writers. New York: The MacMillan Co., London: MacMillan & Co., 1898;4:38-55.)

Related Media

Associated Disorders

  • Arthritis
  • Athetosis
  • Carditis
  • Chorea gravidarum
  • Obsessive-compulsive behavior
  • Rheumatic fever
  • Streptococcal pharyngitis