The Inverse Problem Utilizing the Boundary Element Method for a Nonstandard Female Torso

C Jamison, C Navarro, C Turner, J Shannon, JMCC Anderson, JJD Adgey

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)


This paper proposes a new method of rapidly deriving the transfer matrix for the boundary element method (BEM) forward problem from a tailored female torso geometry in the clinical setting. The method allows rapid calculation of epicardial potentials (EP) from body surface potentials (BSP). The use of EPs in previous studies has been shown to improve the successful detection of the life-threatening cardiac condition-acute myocardial infarction. The MRI scanning of a cardiac patient in the clinical setting is not practical and other methods are required to accurately deduce torso geometries for calculation of the transfer matrix. The new method allows the noninvasive calculation of tailored torso geometries from a standard female torso and five measurements taken from the body surface of a patient. This scaling of the torso has been successfully validated by carrying out EP calculations on 40 scaled torsos and ten female subjects. It utilizes the BEM in the calculation of the transfer matrix as the BEM depends only upon the topology of the surfaces of the torso and the heart, the former can now be accurately deduced, leaving only the latter geometry as an unknown.
Original languageEnglish
Pages (from-to)876-883
JournalIEEE Transactions on Biomedical Engineering
Issue number4
Publication statusPublished (in print/issue) - Apr 2011


  • Boundary elementmethod (BEM)
  • electrocardiography
  • epicardial
  • inverse problem
  • scaling


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