Age

Any age

Sex

ALL

Healthy volunteers

Not accepted

Patient or legally authorized representative provides written authorization and/or consent per institution and geographical requirements
Patient has or is intended to receive an Attain StarFix Model 4195 LV lead
Patient within 30 day post implant enrollment window

Patient who is, or is expected to be inaccessible for follow-up
Patient is currently enrolled in or plans to enroll in any concurrent drug and/or device study that may confound results

Model 4195 Left Ventricular (LV) Lead Chronic Performance Study