Study Status: Terminated
Recruit Status: Terminated
Study Type: Observational
Official Title: Assessment of Prolonged Paced QRS Duration as a Marker of Sudden Cardiac Death in Subjects With Implantable Cardioverter-defibrillators
Brief Summary: The purpose of the study is to determine whether prolonged paced QRS duration is a marker of sudden cardiac death in subjects with implantable cardioverter-defibrillators (ICD).