digital subtraction imaging


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Related to digital subtraction imaging: digital subtraction angiography, digital subtraction radiography

imaging

 [im´ij-ing]
the production of diagnostic images, e.g., radiography, ultrasonography, or scintigraphy.
digital subtraction imaging a technique in radiography in which electronic subtraction allows the visualization of individual images; see also digital subtraction angiography.
electrostatic imaging a method of visualizing deep structures of the body, in which an electron beam is passed through the patient and the emerging beam strikes an electrostatically charged plate, dissipating the charge according to the strength of the beam. A film is then made from the plate.
gated cardiac blood pool imaging equilibrium radionuclide angiocardiography.
horizontal beam imaging a grid positioning technique in radiology in which the grid cassette is positioned with its lead lines perpendicular to the floor.
hot spot imaging (infarct avid imaging) infarct avid scintigraphy.
magnetic resonance imaging see magnetic resonance imaging.
myocardial perfusion imaging myocardial perfusion scintigraphy.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

digital subtraction imaging

In radiology, the use of electronic means to subtract portions of the radiographic image in order to better visualize the object.
See also: imaging
Medical Dictionary, © 2009 Farlex and Partners
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