Analysis of Magnetocardiograms of Normal and Abnormal Heart Subjects using Two-dimensional Displaying Method
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概要
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A two-dimensional displaying method (arrow map) for displaying MCG's, which are distri-bution-of the normal component of magnetic field (<I>B<SUB>n</SUB></I>) on the chest due to cardiac generator, is presented. This is a two-dimensional gradient form of <I>B<SUB>n</SUB></I> displayed as an array of arrows.<BR>The arrow maps of one normal and two abnormal heart subjects are presented here to demon-strate that the cardiac generators can be roughly estimated by visual inspection of these maps. It is also found that <I>B<SUB>n</SUB></I> on the chest is in large part produced directly by cardiac generator.<BR>It is seen in this paper that the arrow map allows one to visually determine some simple combination of cardiac generators, as a simple solution to the magnetic inverse problem. It is also seen that the effect of the torso boundaries on the MCG of <I>B<SUB>n</SUB></I> does not degrade the visual determination of the cardiac generator from the arrow patterns.
- 一般社団法人 日本生体医工学会の論文
一般社団法人 日本生体医工学会 | 論文
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