Hallion's test
(äl-yôɴz′)- A test of collateral circulation in cases of aneurysm, in which the main artery and vein of a limb are compressed; the veins of the hand or foot swell up if the collateral circulation is impeded.
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The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.