• (chorea minor) Acute, usually self-limited disorder of early life, usually between ages 5 and 15, or during pregnancy, and closely linked with rheumatic fever; characterized by involuntary movements that gradually become severe, affecting all motor activities including gait, arm movements, and speech; called also Sydenham's, acute, juvenile, or simple chorea, or St. Vitus dance.
  CRISP Thesaurus
  National Institutes of Health, 2006
• (sydenham chorea) A neurologic disorder characterized by smooth involuntary, uncoordinated movements affecting especially the hands, feet, and face. (ACC-AHA)
  NCI Thesaurus
  U.S. National Cancer Institute, 2021
• Sydenham's chorea is a neurological disorder characterized by rapid, jerky, irregular, and involuntary movements (chorea), especially of the face and limbs. Additional symptoms may include muscle weakness, slurred speech, headaches, and seizures. Children with Sydenham's chorea often have emotional or behavioral problems such as...
  NIH Genetic and Rare Diseases
  National Center for Advancing Translational Sciences
• Sydenham chorea, a neurological disorder characterized by irregular and involuntary movements of muscle groups in various parts of the body that follow streptococcal infection. The name St. Vitus Dance derives from the late Middle Ages, when persons with the disease attended the chapels of St....
  Encyclopedia Britannica
  Encyclopedia Britannica, Inc., 2020