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Understanding Radiation Dose in Cardiac Imaging: Risks and Benefits Explained

Learn about the risks and benefits of various cardiac imaging techniques, including Thallium and Sestamibi scans, CT angiography, and more. Understand the potential additive risk of cancer from exposure to radiation in medical exams. Discover how different procedures affect individuals of varying ages and conditions.

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Understanding Radiation Dose in Cardiac Imaging: Risks and Benefits Explained

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  1. 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

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