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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Chengzong Han Pogwizd, S.M. Killingsworth, C.R. Jiajie Yan Bin He |
| Copyright Year | 2010 |
| Description | Author affiliation: Department of Medicine, University of Alabama at Birmingham, USA (Pogwizd, S.M.; Killingsworth, C.R.) || Department of Biomedical Engineering, University of Alabama at Birmingham, USA (Jiajie Yan) || Department of Biomedical Engineering, University of Minnesota, Minneapolis, USA (Chengzong Han; Bin He) |
| Abstract | In the present study, a physical-model based three-dimensional (3-D) cardiac electrical imaging (3-DCEI) technique was evaluated with the aid of 3-D intra-cardiac mapping from 200 intramural sites during norepinephrine (NE) induced ventricular arrhythmias in the rabbit heart. Body surface potentials and intramural bipolar electrical recordings using plunge-needle electrodes were simultaneously measured in a closed-chest condition in a healthy rabbit. The non-invasively imaged activation sequence correlated well with invasively measured counterparts, with an averaged correlation coefficient of 0.70, and a relative error of 0.30. The sites of initial activation were well localized to be within ∼5mm from the initiation sites determined from intra-cardiac mapping. The present experimental results suggest that the 3-DCEI approach can reconstruct 3-D ventricular global activation sequence and localize the origin of activation during focal ventricular arrhythmias. |
| Starting Page | 125 |
| Ending Page | 127 |
| File Size | 74951 |
| Page Count | 3 |
| File Format | |
| ISBN | 9781424473182 |
| ISSN | 02766547 |
| e-ISBN | 9781424473199 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2010-09-26 |
| Publisher Place | United Kingdom |
| Access Restriction | Subscribed |
| Rights Holder | Creative Commons Attribution License 2.5 (CCAL) |
| Subject Keyword | Imaging Heart Rabbits Electrodes Electric potential Myocardium Helium |
| Content Type | Text |
| Resource Type | Article |
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