Abstract
The current source is expected to be localized more exactly with a magnetocardiogram (MCG) than with an electrocardiogram (ECG). In the present study, the isomagnetic map at the time of the delta wave and a gated magnetic resonance imaging (MRI) were compared to assess the usefulness of the magnetocardiogram (McG) in localizing a position of the accessory pathway (Kent bundle). Spach and Benson reported that the analysis of the T wave was as useful as that of the QRS wave in predicton of the pre-excited sites of the ventricle. 1,2 Therefore, we examined the repolarization wave in order to localize the site of an accessory pathway in WPW syndrome, because the repolarization abnormality might be detected more precisely by the MCG. 3 Our results showed that the analysis of the repolarization wave’s of the MCG was as useful as the delta wave to detect the site of an accessory pathway.
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