Philip Bittihn et al 2008 New J. Phys. 10 103012 doi:10.1088/1367-2630/10/10/103012
Far field pacing supersedes anti-tachycardia pacing in a generic model of excitable media
Philip Bittihn1,2,4, Gisela Luther2, Eberhard Bodenschatz2, Valentin Krinsky2,3, Ulrich Parlitz1 and Stefan Luther2
Show affiliationsRemoving anchored spirals from obstacles is an important step in terminating cardiac arrhythmia. Conventional anti-tachycardia pacing (ATP) has this ability, but only under very restrictive conditions. In a generic model of excitable media, we demonstrate that for unpinning spiral waves from obstacles this profound limitation of ATP can be overcome by far field pacing (FFP). More specifically, an argument is presented for why FFP includes and thus can only extend the capabilities of ATP in the configurations considered. By numerical simulations, we show that in the model there exists a parameter region in which unpinning is possible by FFP but not by ATP. The relevance of this result regarding clinical applications is discussed.
- PACS
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87.18.Hf Spatiotemporal pattern formation in cellular populations
87.19.R- Mechanical and electrical properties of tissues and organs
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- Dates
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Issue 10 (October 2008)
Received 3 July 2008
Published 10 October 2008
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Far field pacing supersedes anti-tachycardia pacing in a generic model of excitable media
Philip Bittihn et al 2008 New J. Phys. 10 103012
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