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Packages that arrive to a nuclear medicine department may be labeled with special radioactive labels that have specific allowable limits of radiation depending on the label. As part of the radioisotope safety examination, candidates should be aware of what these labels mean. The captions of each label below have the specific amounts of radiation that each … Continue reading
The test question writers at the American Board of Radiology seem to be obsessed with comparing mammography and general radiography. The below table should be high yield information for the ABR Core examination and certifying examination. In simple terms, mammography is lower energy, takes longer, generally uses different targets and filters, and is higher resolution. Those are … Continue reading
As a third installment in a series of articles on radiology physics, I’ve included a good summary table of important radionuclides to know for the ABR Core examination. This test also contains a component of the Radioisotope Safety Examination (RISE) which must be passed to obtain an Authorized User status from the ABR. Part of the … Continue reading
In continuation of a series of posts on radiology physics as preparation for the ABR Core Examination, another important set of threshold doses to consider are those for acute radiation syndromes. Acute Radiation Syndrome (ARS), or radiation sickness, is a serious illness that can happen when a person is exposed to very high levels of radiation, … Continue reading
What is grayscale? Grayscale is essentially the underlying basis of all images a radiologist reviews on a PACS (picture archiving and communication system) workstation. Each pixel on a digital image has one inherent value on the grayscale, varying from no intensity (black) to the highest intensity (white). Each pixel is stored in binary code and … Continue reading
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