Assertion: prolongation | /r/RelatedTo | ventricular arrhythmias
Facets:
Source sentences:
text: The QT interval on the surface electrocardiogram (ECG) represents the time from onset of ventricular depolarization to completion of repolarization, and prolongation has been associated with ventricular arrhythmias that may trigger ventricular fibrillation and sudden cardiac death (15).