SAS
Investigators: Beáta Ondrušová, Jana Švehlíková) VEGA 2/0109/22
As part of her dissertation, B. Ondrušová dealt with the significance of the positions of individual electrodes in the body surface mapping of the electric field of the heart regarding the use of surface ECG maps for the inversion task for the localization of premature ventricular activity (extrasystoles). While in previous works, she addressed the design of the smallest possible number of electrodes for a specific patient and the position of extrasystole origin, in the latest study published this year, she investigated and proposed the general concept of distributing the smallest possible number of electrodes to obtain the best possible result. She applied the method to geometric models of 10 patients, examining subgroups of the distribution of 128 electrodes for different positions of the probable source of extrasystole. The results show that to achieve a comparable localization error (LE) to the full number of 128 electrodes (LE 27±11mm), a smaller number of 112-32 electrodes (LE 27±12mm – 30±15mm) is sufficient. Reducing the number of electrodes can reduce measurement time and minimize patient discomfort.
Project: VEGA 2/0109/22
Fig.: 1 The pipeline for the study for finding the optimal number of electrodes in body surface mapping.
Dissertation thesis
Ondrušová Beáta: Torso Electrode Significance Evaluation for Solving the Inverse Problem of Electrocardiography with a Single Dipole Cardiac Source – úspešne obhájená vo februári 2024/successfully defended in February 2024
Publications:
Fig.: 1 The pipeline for the study for finding the optimal number of electrodes in body surface mapping.
Dissertation thesis
Ondrušová Beáta: Torso Electrode Significance Evaluation for Solving the Inverse Problem of Electrocardiography with a Single Dipole Cardiac Source – úspešne obhájená vo februári 2024/successfully defended in February 2024
Publications:
- ONDRUŠOVÁ, Beáta – TIŇO, P. – ŠVEHLÍKOVÁ, Jana**. Optimal electrode placements for localizing premature ventricular contractions using a single dipole cardiac source model. In Computers in Biology and Medicine, 2024, vol. 183, art. no. 109264. (2023: 7 – IF, Q1 – JCR, 1.481 – SJR, Q1 – SJR). ISSN 0010-4825.
- Dostupné na: https://doi.org/10.1016/j.compbiomed.2024.109264 (VEGA č. 2/0109/22: Use of multi-lead ECG measurement and modeling of the electric field of the heart in non-invasive diagnostics and therapy of ventricular arrhythmias and heart failure) Typ:
- ONDRUŠOVÁ, Beáta – TINO, Peter – ŠVEHLÍKOVÁ, Jana . Inverse Solution Accuracy Using 12-Lead ECG vs 9 Significant Electrodes Derived by Greedy Algorithm. In Computing in Cardiology 2023 : Atlanta, GA, USA. October 1-4, 2023. Piscataway: IEEE, 2023, [4] s. ISSN 2325-887X. ISBN 979-8-3503-8252-5.