There is no transmural heterogeneity in an index of action potential duration in the canine left ventricle.

Abstract

BACKGROUND Transmural heterogeneity in ventricular repolarization demonstrated in vitro has been difficult to confirm in vivo. Whether this discrepancy reflects a physiological phenomenon or a methodological problem remains a vivid matter of debate despite a plethora of experimental work. Therefore, we have measured the relevant electrophysiological… (More)
DOI: 10.1016/j.hrthm.2009.03.028

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