期刊
INTERNATIONAL JOURNAL OF CARDIOLOGY
卷 132, 期 3, 页码 435-436出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/j.ijcard.2007.08.072
关键词
Radiation exposure; Radiation reduction; Noninvasive angiography; CT angiography; Multidetector computed tomography
Unnecessary exposure to radiation is a major concern in cardiac computed tomographic angiography (CTA) and there have been several methods proposed to reduce radiation exposure in this imaging modality. One method that has not received much attention is the methodology of more precisely defining the upper and lower limits of the scan volume, as starting too high and/or going too low will proportionally add to the dose. We present our experience of performing CTA studies in our institution by better defining these scanning points. (C) 2007 Elsevier Ireland Ltd. All rights reserved.
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