@Article{RSM:Bud93,
  author =       "D.M. Budgett and D.M. Monro and S.W. Edwards and R.D.
                 Stanbridge",
  title =        "Comparison of measured and computed epicardial
                 potentials from a patient-specific inverse model.",
  journal =      j-JE,
  year =         "1993",
  volume =       "26",
  number =       "Suppl",
  pages =        "165--73",
  robnote =      "This study reports the first direct comparison of
                 measured and computed epicardial potentials in which
                 the specific anatomy of a test subject has been used to
                 calculate the inverse electrocardiographic model. The
                 experiment reported here obtained direct measurements
                 from six transcutaneous pacing wires that were attached
                 to points on the epicardial surface of the human heart
                 in an intact subject. From the same subject, a magnetic
                 resonance scan was used to produce a specific thoracic
                 model consisting of 5-mm cubes. The forward model uses
                 the finite difference method to compute a forward
                 transfer matrix that relates each of 26 epicardial
                 regions to body surface measurements. Amplitude
                 differences and time delays in computed potentials were
                 observed, but the morphologic trend was generally well
                 recovered. The results obtained indicate the
                 sensitivity of the inverse model to a number of
                 factors. The robustness of computed epicardial
                 distributions to errors in assumed lung conductivity is
                 shown.",
}

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