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High-Dose Radiation Imaging Guidelines Inadequate, Researchers Say
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A common test to diagnose or stage patients with chest pain and breathing difficulty for heart disease is often done multiple times, exposing patients to potentially harmful, and perhaps unneeded doses of radiation, according to a report published Monday in the Journal of the American Medical Association. The authors say that a single such myocardial perfusion imaging (MPI) exam has the highest radiation burden, “accounting for 22% of cumulative effective dose from medical sources.”