QuickFlex m MOdel 1258T Left Heart Pacing Lead Post Approval Study
Description of Research
The purpose of this study is to collect additional information on the safety and long term performance of the LV lead. This LV lead is approved by the Food and Drug Administration (FDA).
Participants are asked to participate in this study because they are having a St. Jude Medical cardiac resynchronization therapy defibrillator (CRT-D) device implanted in their chest and their doctor has determined that they will be a suitable candidate for the QuickFlex® µ Model 1258T left ventricular lead (the wire that connects the CRT-D device to heart).