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20-year old woman, yes aorta, no ECTCM (ECG-controlled tube current modulation). 1 in 100. Dual isotope (27 mSv). Thallium scan (25 mSv). 1 in 300. Sestamibi 2-day stress rest (17 mSv). Additive risk of cancer/exam. 1 in 500. 64-slice CTCA. 1 in 1000. Tetrafosmin (10 mSv).
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20-year old woman, yes aorta, no ECTCM (ECG-controlled tube current modulation) 1 in 100 Dual isotope (27 mSv) Thallium scan (25 mSv) 1 in 300 Sestamibi 2-day stress rest (17 mSv) Additive risk of cancer/exam 1 in 500 64-slice CTCA 1 in 1000 Tetrafosmin (10 mSv) 80-year old man, no aorta, ECTCM 1 in 5000 64-slice CTCA Equivalent number of chest x-rays 500 1000 1500