Key result
In a computer simulation, the accuracy of the single moving dipole representation was significantly improved by adding higher order multipolar components, reducing rms position error to 0.6 mm.
Population
Realistic computer model of the human torso including regions of different electrical conductivities
Comparison
Single moving dipole computations based on least… vs Original dipole source
Design
Other
Authors
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Simulation data suggest multipolar terms may refine dipole localization; leaves open clinical translation of inverse solutions.
Incorporating higher order multipolar components and realistic anatomical features like lungs significantly improves the accuracy of single moving dipole representations of cardiac electrical activity.
Savard et al. (1982) studied Cardiac electrical activity. Single moving dipole (SMD) cardiac representation with variable multipolar components vs. Original dipole source was evaluated on rms position error. In a computer simulation, the accuracy of the single moving dipole representation was significantly improved by adding higher order multipolar components, reducing rms position error to 0.6 mm.
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