Promote Q Cardiac Resynchronization Therapy Defibrillator (CRT-D) and Quartet Left Ventricular Heart Lead Study

Inclusion Criteria:

- Approved indication per ACC/AHA/HRS guidelines for implantation of a CRT-D system for
treatment of heart failure or lifethreatening ventricular tachyarrhythmia(s)

- Receiving a new implant or undergoing an upgrade from an existing ICD or pacemaker
implant with no prior LV lead placement.

- Ability to provide informed consent for study participation and is willing and able to
comply with the prescribed follow-up tests and schedule of evaluations

Exclusion Criteria:

- Have had a recent CVA or TIA within three months of enrollment

- Have a contraindication for an emergency thoracotomy

- Have a hypersensitivity to a single 1.0mg dose of dexamethasone sodium phosphate or
short term contact with heparin

- Have a classification of Status 1 for cardiac transplantation or consideration for
transplantation over the next 3 months

- Have undergone a cardiac transplantation within 40 days of enrollment

- Have had a recent myocardial infarction, unstable angina or cardiac revascularization
(PTCA, Stent or CABG) within 40 days of enrollment

- Are currently participating in a clinical investigation that includes an active
treatment arm

- Are pregnant or planning to become pregnant during the duration of the study

- Have a life expectancy of less than 6 months due to any condition

- Are less than 18 years of age

- Are unable to comply with the follow up schedule