Tag: interventional radiology

Look Up Tables in Radiography: What Are They?

look up table x-ray analysis

What are look up tables in radiography? The gray-scale values in a digital image consist of binary numbers. It is possible to reassign these numbers to other values based on predetermined rules. These rules are defined in a look-up table (LUT) which is essentially a reference histogram. A look-up table (LUT) is a series of mathematical equations that are used for post-processing in radiography. It is used to correct values using a mapping function. It allows the gray-scale values in the recorded image to be remapped to new values to improve the final image in some way, such as appropriate brightness and contrast. LUTs are specific to anatomic areas.

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Role of a Radiologic Technologist During Radiologic Crisis

Technologists test children following the fukushima daiichi nuclear disaster

By: CE4RT

 

As radiologic technologists, we are uniquely qualified to participate in the medical response to radiologic accidents and radiologic terrorist attacks. Should such incidents occur in our area, our colleagues and the public at large will have the expectation that we will know how to deal with radiation safely since we work with it every day. This article offers information to help you feel comfortable that you can safely help others during such a horrible crisis.

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