Spontaneous initiation of premature ventricular complexes and arrhythmias in type 2 long QT syndrome.

Abstract

The occurrence of early afterdepolarizations (EADs) and increased dispersion of repolarization are two known factors for arrhythmogenesis in long QT syndrome. However, increased dispersion of repolarization tends to suppress EADs due to the source-sink effect, and thus how the two competing factors cause initiation of arrhythmias remains incompletely… (More)
DOI: 10.1152/ajpheart.00500.2016

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