Blockade of I(Ca) suppresses early afterdepolarizations and reduces transmural dispersion of repolarization in a whole heart model of chronic heart failure.


BACKGROUND AND PURPOSE Chronic heart failure (CHF) is associated with action potential prolongation and Ca(2+) overload, increasing risk of ventricular tachyarrhythmias (VT). We therefore investigated whether I(Ca) blockade was anti-arrhythmic in an intact perfused heart model of CHF. EXPERIMENTAL APPROACH CHF was induced in rabbits after 4 weeks of rapid… (More)
DOI: 10.1111/j.1476-5381.2011.01721.x


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