Monthly Archives: March 2015

Consumer Reports Overstates Cardiac CT Radiation Dose

  Consumer Reports regularly publishes health information to aid the consumer/patient in making decisions. And that’s a good thing. But also important is having the most current information, which their January 27, 2015 article, titled “The surprising dangers of CT scans and X-rays,” does not.

All of the cautions about imaging tests that are listed in the Consumer Reports article are valid: ask why the test is necessary; check the credentials of the imaging specialist; ask for the lowest effective dose; avoid unnecessary repeat scans.

But one important piece of data is almost a decade old and, as a result, is potentially misleading. I’m talking about the radiation dose from a Cardiac CT scan. The article states that a Cardiac CT Angiogram (CTA) exposes the patient to 12 mSv of ionizing radiation, or 120 times that of a chest X-ray. This was true years ago, when CTA was first being used to diagnose coronary artery disease. But it is not true today. Continue reading

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Filed under Cardiac CT, Imaging, Media Coverage, Non-Invasive Testing