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논문 기본 정보

자료유형
학술저널
저자정보
구재은 (안양샘병원 응급의학과) 유제성 (연세대학교) 주영선 (연세대학교 의과대학 응급의학교실) 공태영 (연세대학교) 고동률 (연세대학교 의과대학 응급의학교실) 정성필 (연세대학교)
저널정보
대한응급의학회 대한응급의학회지 대한응급의학회지 제27권 제3호
발행연도
2016.1
수록면
231 - 237 (7page)

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Purpose: Automated external defibrillators (AEDs) could not recommend shock for ventricular fibrillation in the presence of electromagnetic interference. The purpose of this study was to examine the effect of an induced electromagnetic field on performance of AED. Methods: The intensity of magnetic waves from commercial electric mats was measured. Three AEDs were attached to the resuscitation manikin and the question of whether shock would be recommended for simulated electrocardiogram of VF or normal sinus rhythm was tested. The simulation was repeated 10 times under the influence of 0, 5, and 18 μT magnetic field or electric mat. Relevant literature studies on electromagnetic interference on AED were reviewed. Results: The magnetic flux density from the electric mat was measured to 5.67-6.1 μT in warming phase, and 2.25- 2.84 μT in maintenance phase. There was no false positive or false negative recommendation of shock under the influence of 0, 5, and 18 μT magnetic field or electric mat. However, one AED detected motion even in the stationary state. Among 11 studies from the literature search, five studies reported misinterpretation of AED. Minor errors including delayed analysis, motion artefact, and noise in speakers were reported from 6 studies. Conclusion: Although we could not reproduce false negative interpretation, AED made a mistake in confusing electromagnetic interference with motion artefact. Therefore, emergency providers should be cautious not to use AED close to household appliances or medical equipment inducing electromagnetic interference.

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