digital sub-traction angiography

digital subtraction angiography

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

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.

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