Study finds dramatic range of radiation exposures for cardiac CT angiography . Median exposure for the heart CT scan is roughly equivalent to 600 chest X-rays . Score: 6 Increase in cancer risk is small , slightly more than 0.02 percent for median exposure .
Study finds dramatic range of radiation exposures for cardiac CT angiography . Median exposure for the heart CT scan is roughly equivalent to 600 chest X-rays . Several radiation-reduction techniques may be used , but protocol not standardized . Increase in cancer risk is small , slightly more than 0.02 percent for median exposure .