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Cardiol Clin. 2009 Nov;27(4):665-77. doi: 10.1016/j.ccl.2009.06.006.

Radiation dose and safety in cardiac computed tomography.

Author information

  • 1Division of Cardiovascular Diseases, Mayo Clinic, Jacksonville, FL 32224, USA. gerber.thomas@mayo.edu

Abstract

As a result of the changes in use of imaging procedures that rely on ionizing radiation, the collective dose has increased by over 700%, and the annual per-capita dose by almost 600% in recent years. It is possible that this growing use may have significant effects on public health. Although uncertainties exist related to the accuracy of estimated radiation exposure and biologic risk, there are measures that can be taken by the referring and the performing health care provider to reduce the potential risks while maintaining diagnostic accuracy. This article reviews the existing data regarding biologic hazards of radiation exposure associated with medical diagnostic testing, the methodologies used to estimate radiation exposure and dose, and the measures that can be taken to effectively reduce that exposure.

PMID:
19766923
[PubMed - indexed for MEDLINE]
PMCID:
PMC2749002
Free PMC Article

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