This study examines the effect of missing body surface potentials on inverse solutions, and determines if linear interpolation can regain information lost. Using simulated and experimental data, electrograms (EGMs) were reconstructed after 1) removing and 2) interpolating 'broken' signals. Results showed that losing body surface potentials over the chest can reduce inverse reconstruction accuracy. Linear interpolation did not improve, and could further deteriorate reconstruction accuracy.
Laura Bear, Mark Potse, Josselin Duchateau, Nejib Zemzemi, Yves Coudière, et al.. Accuracy of Lead Removal vs Linear Interpolation in Non-Invasive Electrocardiographic Imaging (ECGI). Computing in cardiology, Sep 2015, Nice, France. ⟨hal-01241752⟩ (lien externe)
Citations
Bear, L., Potse, M., Duchateau, J., Zemzemi, N., Coudière, Y., & Dubois, R. (2015). Accuracy of Lead Removal vs Linear Interpolation in Non-Invasive Electrocardiographic Imaging (ECGI). https://inria.hal.science/hal-01241752v1
Bear, Laura, et al. Accuracy of Lead Removal vs Linear Interpolation in Non-Invasive Electrocardiographic Imaging (ECGI). Sept. 2015, https://inria.hal.science/hal-01241752v1.
Bear, Laura, Mark Potse, Josselin Duchateau, Nejib Zemzemi, Yves Coudière, and Rémi Dubois. 2015. “Accuracy of Lead Removal vs Linear Interpolation in Non-Invasive Electrocardiographic Imaging (ECGI).” https://inria.hal.science/hal-01241752v1.
Bear, L. et al. (2015) “Accuracy of Lead Removal vs Linear Interpolation in Non-Invasive Electrocardiographic Imaging (ECGI).” Available at: https://inria.hal.science/hal-01241752v1.
BEAR, Laura, POTSE, Mark, DUCHATEAU, Josselin, ZEMZEMI, Nejib, COUDIÈRE, Yves and DUBOIS, Rémi, 2015. Accuracy of Lead Removal vs Linear Interpolation in Non-Invasive Electrocardiographic Imaging (ECGI) [en ligne]. September 2015. Disponible à l'adresse : https://inria.hal.science/hal-01241752v1