Key result
Body surface Laplacian mapping enables noninvasive imaging and processing of cardiac electrical activity.
Why the study?
A method to process and interpret multi-channel bioelectrical signals recorded noninvasively over the body surface was needed to improve understanding of cardiac electrical activity.
Answers are grounded in this paper and cite their sources.
Body surface Laplacian mapping may aid noninvasive cardiac imaging; leaves open clinical utility pending rigorous validation.
A method is described to process and interpret multi-channel bioelectrical signals. The bioelectrical signals were recorded noninvasively over the body surface of human subjects at 120 sites. The body surface Laplacian maps were then constructed from the multi-channel bioelectrical potential measurement. The method was evaluated by means of computer simulations, and applied to imaging cardiac electrical activity. The present investigation suggests body surface Laplacian mapping provides an important means in interpreting bioelectrical signals.
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Yu et al. (1997) studied Cardiac electrical activity. Body surface Laplacian mapping was evaluated. Body surface Laplacian mapping provides an important method for processing and interpreting multi-channel bioelectrical signals and imaging cardiac electrical activity.
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