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Please use this identifier to cite or link to this item:
http://hdl.handle.net/11154/3282
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| Title: | Paroxysmal starting and stopping of circulating waves in excitable media |
| Authors: | Nagai, Y
Shrier, A
Glass, L
González, H |
| Issue Date: | 2000 |
| Abstract: | Levels of intracellular Ca2+ were monitored using fluorescence from Ca2+-sensitive dyes in chick embryonic heart cells cultured in an annular geometry. There was spontaneous starting and stopping of reentrant waves of activity. The results are modeled using modified FitzHugh-Nagumo equations representing pacemakers embedded in a conducting medium. These results provide a potential mechanism for spontaneous abnormal cardiac rhythms in which there are rapid heart beats (tachycardias) that repetitively start and stop. |
| URI: | http://hdl.handle.net/11154/3282 |
| ISSN: | 0031-9007 |
| Appears in Collections: | Ciencias
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