Review

Nature Clinical Practice Cardiovascular Medicine (2004) 1, 37-41
doi:10.1038/ncpcardio0024  
Received 13 July 2004 | Accepted 20 September 2004

Mechanisms of Disease: new mechanisms of antiarrhythmic actions

Robert F Gilmour Jr* and Douglas P Zipes

Correspondence *Department of Biomedical Sciences, T7 012C VRT, Cornell University, Ithaca, NY 14853, USA

Email
 rfg2@cornell.edu

The underlying electrophysiological mechanisms of cardiac arrhythmias remain unclear. Consequently, therapy is difficult, and for the worst arrhythmias is frequently ineffective. This review looks at the accumulating evidence for various emerging mechanisms of cardiac arrhythmias, with focus on selected ionic currents, stretch-activated phenomena and connexins.

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