Two-dimensional propagation of magnetocardiac T wave signals for characterizing myocardial ischemia

C. C. Wu, H. C. Huang, Y. B. Liu, L. C. Lin, L. Y. Lin, M. F. Chen, M. C. Tsai, Y. L. Gao, S. Y. Yang, H. E. Horng, H. C. Yang, W. K. Tseng, T. L. Lee, C. F. Hsuan, Y. F. Pan, Y. H. Lee

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Abstract

Instead of detecting electrical signals for diagnosing cardiac abnormalities, a promising alternative is to detect the magnetic signals generated from cardiac electrical currents. The system utilizing 64 low-transitionerature superconducting quantum interference devices was tested to detect the time-dependent magnetocardiac signals that are spatially distributed over the heart. To achieve efficient acquisition and analysis, we propose a method to detect two-dimensionally, the T wave propagation of electromagnetic signals of beating hearts. In addition to characterizing the propagating behaviors, the differences between normal hearts and those with coronary artery disease were investigated.

Original languageEnglish
Article number194104
JournalApplied Physics Letters
Volume92
Issue number19
DOIs
Publication statusPublished - 2008 May 29

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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    Wu, C. C., Huang, H. C., Liu, Y. B., Lin, L. C., Lin, L. Y., Chen, M. F., Tsai, M. C., Gao, Y. L., Yang, S. Y., Horng, H. E., Yang, H. C., Tseng, W. K., Lee, T. L., Hsuan, C. F., Pan, Y. F., & Lee, Y. H. (2008). Two-dimensional propagation of magnetocardiac T wave signals for characterizing myocardial ischemia. Applied Physics Letters, 92(19), [194104]. https://doi.org/10.1063/1.2913158