A two-step inverse solution for a single dipole cardiac source

B Ondrusova, P Tino, J Svehlikova - Frontiers in Physiology, 2023 - frontiersin.org
Introduction: The inverse problem of electrocardiography noninvasively localizes the origin
of undesired cardiac activity, such as a premature ventricular contraction (PVC), from …

Comparison of dipole-based and potential-based ECGI methods for premature ventricular contraction beat localization with clinical data

YS Dogrusoz, N Rasoolzadeh, B Ondrusova… - Frontiers in …, 2023 - frontiersin.org
Introduction: Localization of premature ventricular contraction (PVC) origin to guide the
radiofrequency ablation (RFA) procedure is one of the prominent clinical goals of non …

[HTML][HTML] Optimal electrode placements for localizing premature ventricular contractions using a single dipole cardiac source model

B Ondrusova, P Tino, J Svehlikova - Computers in Biology and Medicine, 2024 - Elsevier
Introduction The inverse problem of electrocardiography describes non-invasively the
electrical activity of the heart using potential recordings from tens to hundreds of torso …

[HTML][HTML] Investigation into the importance of using natural PVCs and pathological models for potential-based ECGI validation

LR Bear, JA Bergquist, E Abell, H Cochet… - Frontiers in …, 2023 - frontiersin.org
Introduction: Premature ventricular contractions (PVCs) are one of the most commonly
targeted pathologies for ECGI validation, often through ventricular stimulation to mimic the …

[HTML][HTML] Source Localization and Classification of Pulmonary Valve-Originated Electrocardiograms Using Volume Conductor Modeling with Anatomical Models

K Ogawa, A Hirata - Biosensors, 2024 - pmc.ncbi.nlm.nih.gov
Premature ventricular contractions (PVCs) are a common arrhythmia characterized by
ectopic excitations within the ventricles. Accurately estimating the ablation site using an …

Two Approaches for Inverse PVC Localization from Clinical ECG Data Using Heart Surface Potentials

J Svehlikova, N Rasoolzadeh… - 2023 Computing in …, 2023 - ieeexplore.ieee.org
The standard approach for the inverse problem of ECG computes the potentials on the
epicardial or endo-epicardial surface. For localization of premature ventricular contractions …

Evaluation of Inverse Electrocardiography Solutions Based on Signal-Averaged Beats to Localize the Origins of Spontaneous Premature Ventricular Contractions in …

YS Dogrusoz, N Rasoolzadeh, B Ondrusova… - … on Functional Imaging …, 2023 - Springer
The signal averaging approach applied to the clinical body surface potential measurements
was studied and evaluated for localizing the spontaneous premature ventricular contractions …

Effects of Torso Inhomogeneities on Spontaneous PVC Localization in Potential and Dipole-Based Methods

N Rasoolzadeh, B Ondrusova… - 2023 14th …, 2023 - ieeexplore.ieee.org
The use of electrocardiographic imaging for the localization of the undesired premature
ventricular contraction needs a torso volume conductor definition. This study aims to …

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YS Dogrusoz¹, N Rasoolzadeh… - … and Modeling of the …, 2023 - books.google.com
The signal averaging approach applied to the clinical body surface potential measurements
was studied and evaluated for localizing the spontaneous premature ventricular contractions …

[PDF][PDF] Bayesian Estimation for Cardiac Activity Reconstruction Using Clinical Data

Bayesian estimation provides a unique strategy that can be used to reconstruct non-
invasively the cardiac activity from torso recordings while incorporating prior knowledge …