digital subtraction angiography

noun
  1. a computerized x-ray technique in which arteries are visualized following injection of dye into a vein. Abbreviation: DSA
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

digital subtraction angiography in Medicine

digital subtraction angiography

[səb-trăkshən]
n.
  1. 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.