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Common MR Imaging Artifacts 

Common MR Imaging Artifacts
Chapter:
Common MR Imaging Artifacts
Author(s):

Kiaran P. McGee

and Matthew A. Bernstein

DOI:
10.1093/med/9780199941186.003.0012
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date: 18 July 2018

Cardiac magnetic resonance imaging involves the use of a complex and sensitive imaging device to obtain high temporal- and spatial-resolution images of the heart as it changes shape, size, and position throughout the cardiac cycle. Because of this inherent complexity, measurement errors inevitably occur, which results in artifacts within the reconstructed image. Even when the MR scanner is functioning correctly, inappropriate choice of specific imaging parameters also can result in image artifacts. Successful cardiac imaging, therefore, requires knowledge of not only the most commonly encountered artifacts and their sources but also methods to reduce them. The purpose of this chapter is to describe several commonly encountered imaging artifacts, their causes, and countermeasures to either reduce or ameliorate them.

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