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Surface Mapping and Magneto-Electrocardiography

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Electrical Diseases of the Heart

Abstract

The heart generates magnetic fields that can be detected by body surface mapping utilizing superconducting interference device sensors giving magnetocardiograms (MCGs). The advantages of MCGs over traditional electrocardiograms (ECGs) include increased sensitivity to small signals, less interference by tissue conductivities, and presentation of direct component signals and primary currents. This section highlights the basic principles, recent advancements, and clinical application of MCGs, especially in individuals whose ECGs are not diagnostic. Indeed, MCGs have unique value in diagnosis of prenatal electrical abnormalities, baseline shift in ischemic heart disease, His potential recording, mechanisms and foci of arrhythmias. State of the art technologies for 2D and 3D reconstruction of cardiac electrical activity combined with other cardiac imaging modalities are also discussed.

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Author information

Authors and Affiliations

  1. Division of Cardiovascular Diseases, Department of Medicine, Molecular Pharmacology and Experimental Therapeutics, and Medical Genetics, Mayo Clinic, Stabile 5, 200 First Street, SW, Rochester, Minnesota, 55905, USA

    Satsuki Yamada MD, PhD

  2. Central Research Laboratory, Life Science Research Center, Hitachi Ltd, 1-280 Higachi-koigakubo, Kokubunji-shi, Tokyo, 185-8601, Japan

    Akihiko Kandori PhD(Eng), PhD(Med)

Authors
  1. Satsuki Yamada MD, PhD
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  2. Akihiko Kandori PhD(Eng), PhD(Med)
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Correspondence to Satsuki Yamada MD, PhD .

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Editors and Affiliations

  1. , Department of Internal Medicine, UMDNJ-RWJ Medical School, Robert Wood Johnson Pl. 1, New Brunswick, 08903-0019, New Jersey, USA

    Ihor Gussak

  2. , Gordon K. Moe Scholar, Masonic Medical Research Laboratory, Bleecker Street, Utica, 13501-1787, New York, USA

    Charles Antzelevitch

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Yamada, S., Kandori, A. (2013). Surface Mapping and Magneto-Electrocardiography. In: Gussak, I., Antzelevitch, C. (eds) Electrical Diseases of the Heart. Springer, London. https://doi.org/10.1007/978-1-4471-4978-1_14

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  • DOI: https://doi.org/10.1007/978-1-4471-4978-1_14

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