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Published online before print November 21, 2002, 10.1148/radiol.2261011365
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Radiation Exposure during Cardiac CT: Effective Doses at Multi–Detector Row CT and Electron-Beam CT1

Peter Hunold, MD, Florian M. Vogt, MD, Axel Schmermund, MD, Jörg F. Debatin, MD, MBA, Gert Kerkhoff, MD, Thomas Budde, MD, Raimund Erbel, MD, Klaus Ewen, PhD and Jörg Barkhausen, MD

1 From the Department of Diagnostic and Interventional Radiology, University Hospital Essen, Hufelandstrasse 55, 45122 Essen, Germany. From the 2001 RSNA scientific assembly. Received August 13, 2001; revision requested September 26; final revision received April 8, 2002; accepted May 23. Address correspondence to J.B. (e-mail: joerg.barkhausen@uni-essen.de).



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  		Alderson phantom in supine position on multi-detector row CT table. A plastic breast phantom (black arrow) containing two thermoluminescent dosimeters (TLDs) is positioned at the thorax. Four plastic strips (white arrows) are used to fix two TLDs each at the approximate positions of the thyroid gland (#1), skin (#2 and #3), and testicles (#4).

 




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