Siemens SOMATOM Sensation Cardiac Version A60 Operations Instructions Page 94

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Workflow Information
Contrast Medium
The Basics
The administration of intravenous (IV) contrast mate-
rial during spiral scanning improves the tissue charac-
terization and characterization of lesions, as well as the
opacity of vessels. The contrast scan will yield good
results only if the acquisition occurs during the optimal
phase of enhancement in the region of interest. There-
fore, it is essential to initiate the acquisition with the
correct start delay. Since multislice spiral CT can pro-
vide much faster speed and shorter acquisition time, it
is even more critical to get the right timing to achieve
optimal results.
Longer scan time Shorter scan time
10 s scan
40 s scan
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