Title :
Virtual electrodes in the termination of ventricular fibrillation in protective zones
Author :
Lin, S.-F. ; Haan, J. ; Qian, Y.-W. ; Province, R. ; Sung, R.J.
Author_Institution :
Dept. of Phys. & Astron., Vanderbilt Univ., Nashville, TN, USA
Abstract :
The authors used high-resolution optical recording technique to study the mechanism of protective zone during electrical induction of ventricular fibrillation (VF). Using programmed-stimulation, VF can be induced and terminated with successive stimuli. “Break activation” in virtual electrode mechanism appeared to be responsible for both the onset and cessation of VF
Keywords :
bioelectric phenomena; biomedical electrodes; cardiology; defibrillators; break activation; cardiac electrophysiology; electrical ventricular fibrillation induction; fibrillation termination; high-resolution optical recording technique; myocardium electrical activation; programmed-stimulation; protective zone mechanism; successive stimuli; Biomedical electrodes; Biomedical imaging; Cardiology; Defibrillation; Fibrillation; Heart; Myocardium; Optical filters; Optical imaging; Protection;
Conference_Titel :
[Engineering in Medicine and Biology, 1999. 21st Annual Conference and the 1999 Annual Fall Meetring of the Biomedical Engineering Society] BMES/EMBS Conference, 1999. Proceedings of the First Joint
Conference_Location :
Atlanta, GA
Print_ISBN :
0-7803-5674-8
DOI :
10.1109/IEMBS.1999.802362
