The JT interval as a depolarization independent measurement of repolarization: lessons from catheter ablation of the Wolff-Parkinson-White syndrome.


In patients with Wolff-Parkinson-White syndrome (WPW), preexcitation precludes accurate assessment of the ventricular repolarization by the QTc. In patients with long QT syndrome, it has been demonstrated that the JTc does not change when depolarization abnormalities develop. We hypothesized that this phenomenon should also be applicable to WPW patients. To… (More)


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