Korotkoff's test

[kə-rŏtkôfs, kô-]
n.
  1. A test of collateral circulation in cases of aneurysm, in which the artery is compressed above the aneurysm; if blood pressure in the distal circulation is fairly high, the collateral circulation is good.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.