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Role of T-Type Ca2+ Channels in the Development of Arrhythmias and Ischemia–Reperfusion Injury

  • Stephen W. SchafferEmail author
Chapter

Abstract

The T-type Ca2+ channels are both abundant in pacemaker cells and activated at low thresholds, properties important for involvement in diastolic depolarization. Although T-type Ca2+ current is tiny, bradycardia is induced by blocking the current with inhibitors or by genetic manipulation, supporting the view that the T-type Ca2+ channels play a role in the regulation of the pacemaker. Besides regulating pacemaker current, the T-type Ca2+ channels have been implicated in electrical remodeling and ischemia–reperfusion injury, events involving Ca2+ overload.

Keywords

Reperfusion Injury Electrical Remodel Atrial Remodel Pacemaker Potential Diastolic Depolarization 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Wien 2015

Authors and Affiliations

  1. 1.Department of PharmacologyUniversity of South Alabama College of MedicineMobileUSA

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