title: Magnetocardiographic localisation and modelling.
abstract: In our magnetocardiographic (MCG) localisation studies, two modelling approaches have been applied: (a) modelling the sources with dipole and quadrupole moments in a general multipole expansion and using a homogeneous, semi-infinite volume conductor, and (b) using a single current dipole source in a homogeneous, realistically shaped torso. Both approaches have been successfully applied in localising the premature ventricular excitation site in patients suffering from the Wolff-Parkinson-White syndrome. In addition, we have participated in developing a model of propagation of electrical activation in the ventricles. Anisotropic conductivity properties and spiral arrangement of myocardial fibres are included in the model.
authors.affiliation: Helsinki University of Technology, Department of Technical Physics, Espoo, Finland.
authors.forename: J
authors.initials: J
authors.lastname: Nenonen
authors.forename: K
authors.initials: K
authors.lastname: Forsman
authors.forename: T
authors.initials: T
authors.lastname: Katila
authors.forename: M
authors.initials: M
authors.lastname: Leiniö
authors.forename: J
authors.initials: J
authors.lastname: Montonen
authors.forename: B M
authors.initials: BM
authors.lastname: Horacek
authors.forename: C
authors.initials: C
authors.lastname: Purcell
authors.forename: G
authors.initials: G
authors.lastname: Stroink
mesh_terms: D006334:Heart Function Tests; D006801:Humans; D008280:Magnetics; D008953:Models, Anatomic; D008955:Models, Cardiovascular