- A dictionary of medical eponyms

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Diversion of blood flow from the basilar artery to the subclavian artery due to occlusion of its proximal segment, resulting  in cerebral ischemia. The symptoms include vertigo and/or presyncope following upper extremity exercise on the side of the occlusion. Absence of the pulse on the affected side, pain and numbness of the arm and and hand, headache, and hypotension are the additional symptoms. Arteriosclerosis, thrombosis, vascular anomalies, injuries, tumors, and surgery are the principal causes.


The surgical anatomy of the arteries of the human body. Designed for the use
  of students in the dissecting room
  Dublin, Hodges & Smith. 2 volumes, 1824/1825.
  New edition 1829, 4th edition 1839.

A. W. Smyth:
Successful operation in a case of subclavian aneurysm.
  The New Orleans Medical Record, 1866, 1: 4.

L. Contorini:
The true story of the "Subclavian steal syndrome" or
  "Harrison and Smyth's syndrome"
  The Journal of Cardiovascular Surgery, Torino, 1973, 14 (4): 408-417.

V. Fischer:
• [A. subclavia-anonyma steal syndrome--Harrison--Smyth syndrome
  (author's transl)]. [Article in Slovak]
  Bratislavské lekàrske listy, Bratislava, May 1979, 71 (5): 546-553.

What is an eponym?

An eponym is a word derived from the name of a person, whether real or fictional. A medical eponym is thus any word related to medicine, whose name is derived from a person.

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Whonamedit.com is a biographical dictionary of medical eponyms. It is our ambition to present a complete survey of all medical phenomena named for a person, with a biography of that person.


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This survey of medical eponyms and the persons behind them is meant as a general interest site only. No information found here must under any circumstances be used for medical purposes, diagnostically, therapeutically or otherwise. If you, or anybody close to you, is affected, or believe to be affected, by any condition mentioned here: see a doctor.