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Subtraction technique

subtraction technique

combination or superimposition of two images for demonstrating differences between them (e.g., radiograph with contrast vs. One without, radionuclide images using different radionuclides, radiograph vs. Radionuclide image) and in the preparation of audiovisual materials (e.g., offsetting identical images, colouring of vessels in angiograms).


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fluoroscopy

... of the following are correct for Fluoroscopy? Select one or more: a)The technique is based on differential penetration of X-rays into different tissues. ... can be highlighted without the need of a contrast medium. c)Requires subtraction techniques to produce a clear image of blood vessels. d)It ...

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by zak
Sat Dec 28, 2013 4:43 pm
 
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Topic: fluoroscopy
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