Why the study?
How does the number of surface electrodes affect the accuracy of cardiac dipole moment estimation in normal children?
Population
6 normal children
Comparison
Varying the number of surface electrodes vs Full 150-point surface potential map
Authors
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Fewer than 100 electrodes may yield >15% error in pediatric dipole estimates; leaves open optimal configurations for clinical mapping systems.
How does the number of surface electrodes affect the accuracy of cardiac dipole moment estimation in normal children?
Accurate estimation of the cardiac dipole moment using surface potential integration requires at least 100 surface electrodes to keep relative errors below 15%.
Weiss et al. (1970) studied this question.