digital subtraction angiography


a computerized x-ray technique in which arteries are visualized following injection of dye into a vein. Abbreviation: DSA

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Medicine definitions for digital subtraction angiography

digital subtraction angiography

[ səb-trăkshən ]


A computer-assisted x-ray technique that subtracts images of bone and soft tissue to permit viewing of the cardiovascular system.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.