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Modification of pulse sequences reduces occupational exposure from MRI switched gradient fields: Preliminary results.
Umeå University, Faculty of Medicine, Department of Radiation Sciences, Radiation Physics.
Umeå University, Faculty of Medicine, Department of Radiation Sciences, Radiation Physics.
Umeå University, Faculty of Medicine, Department of Radiation Sciences, Radiation Physics.
2010 (English)In: Bioelectromagnetics, ISSN 0197-8462, E-ISSN 1521-186X, Vol. 31, no 1, 85-87 p.Article in journal (Refereed) Published
Abstract [en]

The gradient fields in magnetic resonance imaging (MRI) will in some circumstances exceed the ICNIRP guidelines of occupational electromagnetic field exposure when personnel are near the scanner during MRI scanning. In this work we have shown that using commercially available modified sequences for noise reduction purposes, exposure will decrease by a factor of 1.5 with preserved image quality. This is a first step toward optimizing occupational exposure within the scanner room without affecting image quality. Bioelectromagnetics 31:85-87, 2010. (c) 2009 Wiley-Liss, Inc.

Place, publisher, year, edition, pages
2010. Vol. 31, no 1, 85-87 p.
Keyword [en]
ICNIRP, occupational exposure, magnetic fields, whisper mode
Research subject
radiofysik
Identifiers
URN: urn:nbn:se:umu:diva-30362DOI: 10.1002/bem.20544ISI: 000273276500011PubMedID: 19753611OAI: oai:DiVA.org:umu-30362DiVA: diva2:281977
Available from: 2009-12-18 Created: 2009-12-18 Last updated: 2017-12-12Bibliographically approved

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