Noninvasive recording of his potential using magnetocardiograms

Satsuki Yamada; Keisuke Kuga; Kei On; Iwao Yamaguchi

doi:10.1253/circj.67.622

Noninvasive recording of his potential using magnetocardiograms

Satsuki Yamada, Keisuke Kuga, Kei On, Iwao Yamaguchi

Cardiovascular Medicine

Research output: Contribution to journal › Article › peer-review

13 Scopus citations

Abstract

The present study investigated whether magnetocardiograms (MCGs) could noninvasively detect the His potential. In 22 patients, the His-ventricular (HV) intervals in MCGs (64-channel system, 2-min signal averaging, filter: 0.1-100 Hz, and band-eliminating filter of 50 Hz) were compared with those recorded in an electrophysiologic study (EPS, filter: 30-400Hz). In 14 of the patients (64 %), the His potential was recorded in the MCGs. There was a correlation between the HV intervals in the MCGs and those in the EPS (R=0.81, p<0.01). This study indicates that MCGs can be used to investigate the specialized conduction systems for which EPS is currently used.

Original language	English (US)
Pages (from-to)	622-624
Number of pages	3
Journal	Circulation Journal
Volume	67
Issue number	7
DOIs	https://doi.org/10.1253/circj.67.622
State	Published - Jul 1 2003

Keywords

His potential
Magnetocardiograms
Signal averaging

ASJC Scopus subject areas

Cardiology and Cardiovascular Medicine

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10.1253/circj.67.622

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abstract = "The present study investigated whether magnetocardiograms (MCGs) could noninvasively detect the His potential. In 22 patients, the His-ventricular (HV) intervals in MCGs (64-channel system, 2-min signal averaging, filter: 0.1-100 Hz, and band-eliminating filter of 50 Hz) were compared with those recorded in an electrophysiologic study (EPS, filter: 30-400Hz). In 14 of the patients (64 %), the His potential was recorded in the MCGs. There was a correlation between the HV intervals in the MCGs and those in the EPS (R=0.81, p<0.01). This study indicates that MCGs can be used to investigate the specialized conduction systems for which EPS is currently used.",

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AU - Yamada, Satsuki

AU - Kuga, Keisuke

AU - On, Kei

AU - Yamaguchi, Iwao

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N2 - The present study investigated whether magnetocardiograms (MCGs) could noninvasively detect the His potential. In 22 patients, the His-ventricular (HV) intervals in MCGs (64-channel system, 2-min signal averaging, filter: 0.1-100 Hz, and band-eliminating filter of 50 Hz) were compared with those recorded in an electrophysiologic study (EPS, filter: 30-400Hz). In 14 of the patients (64 %), the His potential was recorded in the MCGs. There was a correlation between the HV intervals in the MCGs and those in the EPS (R=0.81, p<0.01). This study indicates that MCGs can be used to investigate the specialized conduction systems for which EPS is currently used.

AB - The present study investigated whether magnetocardiograms (MCGs) could noninvasively detect the His potential. In 22 patients, the His-ventricular (HV) intervals in MCGs (64-channel system, 2-min signal averaging, filter: 0.1-100 Hz, and band-eliminating filter of 50 Hz) were compared with those recorded in an electrophysiologic study (EPS, filter: 30-400Hz). In 14 of the patients (64 %), the His potential was recorded in the MCGs. There was a correlation between the HV intervals in the MCGs and those in the EPS (R=0.81, p<0.01). This study indicates that MCGs can be used to investigate the specialized conduction systems for which EPS is currently used.

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KW - Magnetocardiograms

KW - Signal averaging

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Noninvasive recording of his potential using magnetocardiograms

Abstract

Keywords

ASJC Scopus subject areas

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