Virtual electrodes induced throughout bulk myocardium by ICD defibrillation

Virtual electrodes induced throughout bulk myocardium by ICD defibrillation

Virtual electrodes have been observed on the epicardium using an optical recording techniques. Although they are hypothesized to be responsible for both termination and re-initiation of reentrant activity, they have not been observed in the bulk of the myocardium due to experimental limitations. By...

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Bibliographische Detailangaben
Hauptverfasser: Aguel, F., Trayanova, N.A., Siekas, G., Eason, J.C., Fishler, M.G., Street, A.M.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Biomedical electrodes
Biomedical engineering
Computer simulation
Defibrillation
Defibrillators
Electric shock
Electrodes
Electrophysiology
Finite element method
Finite element methods
Heart
Humans
Implants (surgical)
Myocardium
Optical recording
Torso
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Beschreibung
Zusammenfassung:Virtual electrodes have been observed on the epicardium using an optical recording techniques. Although they are hypothesized to be responsible for both termination and re-initiation of reentrant activity, they have not been observed in the bulk of the myocardium due to experimental limitations. By using a detailed finite element model of the human torso that incorporates a bidomain ventricular myocardium with realistic fibrous architecture, evidence for the existence of virtual electrodes within the myocardial bulk is presented.
ISSN:1094-687X
0589-1019
1558-4615
DOI:10.1109/IEMBS.1999.802363