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digital subtraction angiography

noun
1.
a computerized x-ray technique in which arteries are visualized following injection of dye into a vein.
Abbreviation: DSA.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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digital subtraction angiography in Medicine

digital subtraction angiography digital sub·trac·tion angiography (səb-trāk'shən)
n.
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.
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