Japanese Journal of Radiological Technology
Online ISSN : 1881-4883
Print ISSN : 0369-4305
ISSN-L : 0369-4305
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Verification of Irradiation Conditions of X-rays That Influence Implantable Cardiac Pacemakers
Naoki UmezawaMinoru HiroseToshihiro Shinbo
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JOURNAL FREE ACCESS

2008 Volume 64 Issue 7 Pages 795-804

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Abstract

Originally, it was thought that X-rays did not influence implantable cardiac pacemakers. In general, radiological technologists did not take proper care of these devises at the time of X-Ray examinations. However, 11 cases in which pacemakers malfunctioned (for example partial electrical reset) during CT examinations have been reported in recent years. At the time, we tended to attribute such problems to the peculiarities of multi-detector CT (MDCT). However, on logical grounds this explanation seemed weak. To better explain the problem, we attempted various tests in which pacemakers were exposed to CT and X-ray photography equipment. We analyzed some ECG results to clarify the matter and took measurements to examine these problems.

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© 2008 Japanese Society of Radiological Technology
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