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Letters
June 10, 2009

Radiation Doses Associated With Cardiac Computed Tomography Angiography

JAMA. 2009;301(22):2324-2325. doi:10.1001/jama.2009.762

To the Editor: The study estimating radiation dose associated with cardiac computed tomography angiography (CCTA) by Dr Hausleiter and colleagues1 offered important information for radiologists and CT technicians. But as a practicing clinician, what particularly caught my attention was that the median dose-length product (DLP) of CCTA examinations was a little greater than the dose of an abdominal CT study, or the equivalent of 600 chest x-rays.

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