正常者 Magnetocardiogram の解析

抄録

This paper presents and interprets two types of magnetocardiograms (MCG's) of normal heart subjects, obtained by measuring magnetic field component normal to the skin, for the purpose of assessing the features of various methods of MCG detection and display. The MCG's were recorded with a superconducting magnetometer in a shielded room at the MIT.
The results are as follows (1) The MCG's, measured for the normal component of magnetic field at the finer grid points on the chest with close proximity to the skin, indicate some interesting information concerning the heart generator, especially in the region of the peak of QRS. (2) The MCG's, measured for the second-derivative of the normal component, indicate some interesting information concerning the activation of epicardium and the special configurations. of heart generator, not apparent from the MCG's in the direct normal component. (3) In order to estimate the configuration of heart generator, it is effective to use the MCG's for direct normal component together with those for second-derivative.