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https://hdl.handle.net/2440/73834
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dc.contributor.author | Chen, Y. | - |
dc.contributor.author | Wu, Z. | - |
dc.contributor.author | Yang, C. | - |
dc.contributor.author | Shao, J. | - |
dc.contributor.author | Wong, K. | - |
dc.contributor.author | Abbott, D. | - |
dc.date.issued | 2012 | - |
dc.identifier.citation | IEEE Transactions on Biomedical Engineering, 2012; 59(9):2668-2676 | - |
dc.identifier.issn | 0018-9294 | - |
dc.identifier.issn | 1558-2531 | - |
dc.identifier.uri | http://hdl.handle.net/2440/73834 | - |
dc.description.abstract | Atrial fibrillation (AF) can result in life-threatening arrhythmia, and a clinically convenient means for detecting vulnerability remains elusive. We investigated atrial vulnerability by analyzing the sinus electrogram (EG) from AF animal models using a phase synchronizationmethod. Using acetylcholine (ACh)-induced acute canine AF models (n= 4), a total of 128 electrical leads were attached to the surface of the anterior and posterior atria, and the pulmonary veins to form an electrocardiological mapping system. ACh was injected at varying concentrations with ladder-type adjustments. Sinus EGs and induced AF EGs that pertain to specific ACh concentrations were recorded.We hypothesize that the atrial vulnerability may be correlated with the Shannon entropy (SE) of the phase difference matrix that is extracted from the sinus EG. Our research suggests that the combination of SE with the synchronization method enables the sinus node EG to be analyzed and used to estimate atrial vulnerability. Index Terms—Atrial fibrillation (AF), electrophysiologicalmapping, phase synchronization, Shannon entropy, sinus rhythm. | - |
dc.description.statementofresponsibility | Ying Chen, Zhong Wu, Cuiwei Yang, Jun Shao, Kelvin Kian Loong Wong and Derek Abbott | - |
dc.language.iso | en | - |
dc.publisher | IEEE-Inst Electrical Electronics Engineers Inc | - |
dc.rights | © 2012 IEEE | - |
dc.source.uri | http://dx.doi.org/10.1109/tbme.2012.2208751 | - |
dc.subject | Atrial fibrillation (AF) | - |
dc.subject | electrophysiological mapping | - |
dc.subject | phase synchronization | - |
dc.subject | Shannon entropy | - |
dc.subject | sinus rhythm | - |
dc.title | Investigation of atrial vulnerability by analysis of the sinus node EG from atrial fibrillation models using a phase synchronization method | - |
dc.type | Journal article | - |
dc.identifier.doi | 10.1109/TBME.2012.2208751 | - |
pubs.publication-status | Published | - |
dc.identifier.orcid | Abbott, D. [0000-0002-0945-2674] | - |
Appears in Collections: | Aurora harvest Electrical and Electronic Engineering publications |
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