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Editor's Correspondence
May 10, 2010

Computed Tomographic Scans: Heart and Heritable Concerns Also—Reply

Arch Intern Med. 2010;170(9):835-836. doi:10.1001/archinternmed.2010.119

In reply

Ms O’Connor reminds us of another possible risk of radiation exposure—that of increased heart disease from the effect of ionizing radiation on the gonads in causing heritable mutations. I agree that the best way to optimize the risk to benefit ratio is to be sure that only indicated CT scans are performed using the optimal least-radiation protocol.

Correspondence: Dr Redberg, Archives of Internal Medicine, University of California, San Francisco, 505 Parnassus, Ste M-1180, San Francisco, CA 94143-0124 (redberg@medicine.ucsf.edu).

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