Angiography, Digital Subtraction [digitální subtrakční angiografie]
topical
147
- Terms
-
angiografie digitální subtrakční
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Digital Subtraction Angiography
Subtraction Angiography, Digital
Persistent link
https://www.medvik.cz/link/D015901
Definition
A method of delineating blood vessels by subtracting a tissue background image from an image of tissue plus intravascular contrast material that attenuates the X-ray photons. The background image is determined from a digitized image taken a few moments before injection of the contrast material. The resulting angiogram is a high-contrast image of the vessel. This subtraction technique allows extraction of a high-intensity signal from the superimposed background information. The image is thus the result of the differential absorption of X-rays by different tissues.
- DUI
- D015901 MeSH Browser
- CUI
- M0024333
- Previous indexing
- Angiography (1980-1989); Subtraction Technique (1980-1989)
- History note
- 90
- Public note
- 90
Allowable subheadings
- AE
- adverse effects 2
- CL
- classification 0
- DE
- drug effects 0
- EC
- economics 1
- ES
- ethics 0
- HI
- history 0
- IS
- instrumentation 10
- MT
- methods 71
- MO
- mortality 0
- NU
- nursing 2
- PX
- psychology 0
- RE
- radiation effects 0
- ST
- standards 2
- SN
- statistics & numerical data 1
- TD
- trends 3
- VE
- veterinary 0
...
Occurrences in Medvik records
E
Analytical, Diagnostic and Therapeutic Techniques and Equipment