Relation of ventricular ectopic complexes to QTC interval on ambulatory electrocardiograms in williams syndrome

The American Journal of Cardiology, 05/31/2012

The QTc interval correlated with ventricular ectopic complexes in patients with williams syndrome (WS). The type of ventricular ectopic complexes suggested an alternate etiology of the QTc prolongation seen in WS from that seen in congenital long QT syndrome.

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