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Note: This chart simplifies a highly complex topic for patients’ informational use. The effective doses are typical values for an average-sized adult. The actual dose can vary substantially, depending on a person’s size as well as on differences in imaging practices.
Here are some approximate comparisons of background radiation and effective radiation dose in adults for several radiology procedures described on this website. These values can vary greatly, depending on the size of the patient and the type of imaging technology being used.
The DOE Ionizing Radiation Dose Ranges Chart How does where you live affect your exposure to radiation? Should you be concerned about dental x-rays? What about a CT scan?
Radiation Dose Reference Chart: Download a reference chart listing common imaging examination doses, updated to reflect the data presented in NCRP Report No. 184. Download a customizable medical imaging fact card for your patients.
Doses from Medical X‐Ray Procedures Standardized radiation dose estimates can be given for a number of typical diagnostic medical procedures. We are not able to give radiation dose estimates for procedures involving radiation therapy; these need to be handled very carefully on a case‐by‐ case basis.
The effective doses are typical values for an average-sized adult. The actual dose can vary substantially, depending on a person’s size as well as on differences in imaging practices.
The following tables give dose estimates for typical diagnostic x -ray, interventional, and nuclear medicine procedures. Many diagnostic exposures are less than or similar to the exposure we receive from natural background radiation.
Radiation dose charts are commonly used to see how much radiation a person gets from different radiology examinations. This is a common radiation dose comparison chart. It shows the approximate effective radiation dose in comparison to natural background radiation in months/years.
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This chart simplifies a highly complex topic for patients’ informational use, by outlining common imaging examination methods and their associated approximate effective radiation dose. The effective doses are typical values for an average-sized adult.