Overview
2-42
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Contents
Schematics Illustrated PartsInstallation
Subtract
Subtraction produces images that are the difference between a fluoroscopic image obtained while contrast media is
present in a vessel and a mask image of the same anatomy obtained just prior to the subtraction process before
injection of the contrast media. The subtracted image appears on the left-hand monitor. Subtraction is ideal for
visualizing vasculature.
Roadmap
Roadmapping produces a series of subtracted images that are the difference between a fluoroscopic image obtained
with a catheter present in a vessel, and a mask image obtained just prior to catheter insertion when a peak level of
contrast media is present in the vessel. Roadmap images appear on the left-hand monitor. Because they clearly
show catheter movement, Roadmap images are very useful in precise catheter placement.
Film
The Film mode automatically produces the correct technique to expose radiographic film.
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