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Non-invasive arrhythmia risk evaluation in clinical environment

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Summary

We have applied various methods to extract parameters from high-resolution magnetocardiographic (MCG) and electrocardiographic (ECG) recordings for characterizing the risk of life-threatening arrhythmias. The methods include detection of late fields and late potentials at the end of the QRS, abnormalities in spectral variability and signal fragmentation during the QRS, and variability in the heart rate. In addition, we have developed methods to convert MCG signals measured with any sensor configurations to a common presentation form. The signal processing methods have been implemented on a user-friendly interface which allows fast and easy use in a clinical environment.

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Authors and Affiliations

  1. Laboratory of Biomedical Engineering P.O. Box 2200 Helsinki University of Technology 02150 Helsinki, Finland E-mail: Heikki-Vaananen@hut.fi, Finland

    H. Väänänen, J. Montonen, J. Nenonen, K. Simelius & T. Katila

  2. Medical Engineering Centre BioMag Laboratory Helsiniki University Central Hospital 00029 Helsiniki, Finland, Finland

    H. Väänänen, P. Korhonen, J. Montonen, M. Mäkijärvi, L. Oikarinen, K. Simelius, L. Toivonen & T. Katila

  3. Division of Cardiology Department of Medicine Helsinki University Central Hospital 00029 Helsiniki, Finland, Finland

    P. Korhonen, M. Mäkijärvi, L. Oikarinen & L. Toivonen

Authors
  1. H. Väänänen
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  2. P. Korhonen
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  3. J. Montonen
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  4. M. Mäkijärvi
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  5. J. Nenonen
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  6. L. Oikarinen
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  7. K. Simelius
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  8. L. Toivonen
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  9. T. Katila
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Additional information

Received: 30 October 2000/Accepted: 27 November 2000

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Väänänen, H., Korhonen, P., Montonen, J. et al. Non-invasive arrhythmia risk evaluation in clinical environment. Herzschr Elektrophys 11, 229–234 (2000). https://doi.org/10.1007/s003990070021

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  • DOI: https://doi.org/10.1007/s003990070021

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