Silas Weir Mitchell

Silas Weir Mitchell (1829-1914) was an American physician and writer

Best known for his discovery of causalgia (complex regional pain syndrome type II or CRPS II) and erythromelalgia.

Weir Mitchell was possibly the first to describe tendon reflexes in 1859 as a ‘peculiar contraction‘, ahead of Wilhelm Heinrich Erb and Carl Westphal in 1875. Mentor to John Madison Taylor, the inventor of the tendon hammer in 1888

  • Born on February 15, 1829 in Philadelphia
  • 1849 – Intern, Pennsylvania Hospital of Philadelphia. Along with William Alexander Hammond (1828 – 1900) he described the neurological aspects of venomous snakebite
  • Died on January 4, 1914 in Philadelphia

Medical Eponyms
  • Causalgia
  • Erythromelalgia
  • The Tendon Hammer
  • Early description of Horner syndrome

Major Publications



Eponymous terms

BA MA (Oxon) MBChB (Edin) FACEM FFSEM. Emergency physician, Sir Charles Gairdner Hospital.  Passion for rugby; medical history; medical education; and asynchronous learning #FOAMed evangelist. Co-founder and CTO of Life in the Fast lane | Eponyms | Books | Twitter |

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