Journal
EPL
Volume 107, Issue 3, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1209/0295-5075/107/38001
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Funding
- National Natural Science Foundation of China [11005026, 11274271]
- Program for Qianjiang Talents in Zhejiang Province [2012R10057]
- Start-Up Fund for Returned Oversea Chinese Scholars [20121707]
- China Postdoctoral Science Foundation [2013M541634]
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Spiral waves may be pinned to anatomical heterogeneities in the cardiac tissue, which leads to monomorphic ventricular tachycardia. Wave emission from heterogeneities (WEH) induced by electric pulses in one direction (EP) is a promising method for liberating such waves by using heterogeneities as internal virtual pacing sites. Here, based on the WEH effect, a new mechanism of liberation by means of a rotating electric pulse (REP) is proposed in a generic model of excitable media. Compared with the EP, the REP has the advantage of opening wider time window to liberate pinned spiral. The influences of rotating direction and frequency of the REP, and the radius of the obstacles on this new mechanism are studied. We believe this strategy may improve manipulations with pinned spiral waves in heart experiments. Copyright (C) EPLA, 2014
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