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KMID : 1137820150360010031
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의공학회지
2015 Volume.36 No. 1 p.31 ~ p.36
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Effects of Static Magnetic Fields of Earphones and Headphones on Pacemakers and Implantable Cardioverter Defibrillators
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Chung J.-W.
Choi S.-B
Park J.-S.
Kim Deak-Won
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Abstract
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In this study, we evaluated the effects of static magnetic fields of earphones and headphones on pacemakers and implantable cardioverter defibrillators(ICDs). Five pacemakers and three ICDs were subjected to in-vitro test with three headphones which were an in-ear earphone, clip-on headphone, and closed-back headphone. Each implantable device was placed in close proximity(within 3 mm) to the ear-pad of each of the earphone and headphones for 3 min. As a result, no effects were observed on the pacemakers for the earphone and headphones during the test, but an effect was observed on one ICD for the clip-on and closed-back headphone during the test. When the ICD was placed in close proximity to the headphones, the ICD temporarily suspended functions of tachyarrhythmia detection and therapy. The effect was not observed in this study when the headphones were at least 2 cm from the ICD. Based on these findings, patients with ICDs should be advised to keep earphones and headphones at least 2 cm apart from their ICDs.
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KEYWORD
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Earphone, Headphone, Pacemaker, Implantable cardioverter defibrillator, Malfunction
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