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How much radiation is delivered in tests like CT scans and x-rays? The graph below shows the range of radiation exposure a patient may receive from different medical exams. The dotted line indicates the most likely dose. Hover over any of the bars to learn more.
- mSv
Home > mSv. mSv. milliSievert; equivalent dose of ionizing...
- X-ray
Relatively high-energy photons, used for their penetrating...
- CT Scan
Home > CT Scan CT Scan A CT (Computed Tomography) scan is a...
- Ionizing Radiation
Ionizing radiation is radiation with enough energy to...
- Understanding Medical Imaging
What is medical radiation? Medical imaging takes pictures of...
- Get More Involved In Your Care
Dawn's Story. Dawn was diagnosed with cancer at an early...
- mSv
22 mar 2011 · Current California Radiation Levels, officially reported from La Jolla, California.
13 maj 2021 · Use this page to calculate your personal annual average dose.* Select from the following if you . . . *The reduction in life expectancy from a dose of 1 mrem is about 1.2 minutes.
23 mar 2021 · Standard treatment with radiation therapy lasts for five to eight weeks, depending on the specific type of cancer being treated, and is at the discretion of the oncologist supervising the...
26 kwi 2022 · Medical procedures account for nearly all (96%) human exposure to man-made radiation. For example, a chest x-ray typically gives a dose of about 0.01 rem (10 millirem) and a full-body CT gives a dose of 1 rem (1,000 mrem), as shown in the table to the left.
13 lut 2024 · You may live in a home that has elevated radon levels. Medical imaging procedures used in diagnostic exams such as x-rays and CT scans provide a one-time dose. Other medical procedures, such as nuclear medicine, may involve giving you a small amount of radioactive material.
The DOE Ionizing Radiation Dose Ranges Chart was developed as a tool to compare and put into perspectives the radiation doses received by individuals ranging from natural sources to occupational or in medicine.