허혈에 의한 다채널 심자도의 ST-T 변화

권혁찬; 김기웅; 이용호; 김진목; 임현균; 박용기; 정남식; 고영국; 정보영; 김진배; 조정래

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자료유형: 학술저널

저자정보: 권혁찬 (Bio-signal Research Center, Korea Research Institute of Standards and Science) 김기웅 (Bio-signal Research Center, Korea Research Institute of Standards and Science) 이용호 (Bio-signal Research Center, Korea Research Institute of Standards and Science) 김진목 (Bio-signal Research Center, Korea Research Institute of Standards and Science) 임현균 (Bio-signal Research Center, Korea Research Institute of Standards and Science) 박용기 (Bio-signal Research Center, Korea Research Institute of Standards and Science) 정남식 (Cardiology Division, Department of internal medicine, Yonsei University Medical College) 고영국 (Cardiology Division, Department of internal medicine, Yonsei University Medical College) 정보영 (Cardiology Division, Department of internal medicine, Yonsei University Medical College) 김진배 (Cardiology Division, Department of internal medicine, Yonsei University Medical College) 조정래 (Cardiology Division, Department of internal medicine, Yonsei University Medical College)

저널정보: 한국초전도학회 Progress in superconductivity Progress in superconductivity 제9권 제1호

발행연도: 2007.1

수록면: 35 - 39 (5page)

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Myocardial ischemia causes heterogeneity of ventricular repolarization and sometimes produces changes of the ST-T wave in ECG. Therefore, morphological changes of ST-T waveform in ECG have a clinical significance in diagnosing myocardial ischemia. In this study, we investigated the ST-T changes caused by myocardial ischemia in magnetocardiography (MCG). We analyzed MCG patterns of biphasic T, ST segment deviations from baseline, main current angle of $T_{peak}$ and $T_{peak}$ dispersion in 300 CAD patients without ST elevation in ECG, 122 symptomatic patients and 48 normal subjects. MCGs were recorded by multichannel SQUID system in a magnetically shielded room. As results, we found that appearances of the abnormality were strongly correlated with the severity of myocardial ischemia. Also we found that the percentage of the patients showing MCG changes were higher than those in ECG. These results show that morphological changes of ST-T waveform in MCG can be used as a marker of myocardial ischemia.

#SQUID #Magnetocardiography #myocardial ischemia #ST-T change #dispersion of ventricular repolarization

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권혁찬

소속기관 Korea Research Institute of Standards and Science

주요연구분야 공학 > 전기전자공학 > 전기공학

논문수 37 이용수 13

김기웅

소속기관 Korea Research Institute of Standards and Science

주요연구분야 공학 > 전기전자공학 > 전기공학

논문수 36 이용수 18

이용호

소속기관 Brain and Cognition Measurement Lab, Korea Research Institute of Standards and Science

주요연구분야 공학 > 전기전자공학 > 전기공학

논문수 44 이용수 78

김진목

소속기관 Brain and Cognition Measurement Lab, Korea Research Institute of Standards and Science

주요연구분야 공학 > 전기전자공학 > 전기공학

논문수 39 이용수 67

임현균

소속기관 Korea Research Institute of Standards and Science

주요연구분야 공학 > 전기전자공학 > 전기공학

논문수 11 이용수 4

박용기

소속기관 Korea Research Institute of Standards and Science

주요연구분야 공학 > 전기전자공학 > 전기공학

논문수 53 이용수 53

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