Optimize RV Follow-up Selective Site Pacing Clinical Trial

Optimize RV Follow-up Selective Site Pacing Clinical Trial

The purpose of the Optimize RV Follow-Up study is to determine the long-term effect of selective site pacing. Selective site pacing refers to which area of the right ventricle the lead is placed. The goal of selective site pacing is to improve how the heart contracts when paced.

The Optimize RV Follow-Up Selective Site Pacing Clinical Trial is open to subjects that were previously enrolled in the Optimize RV Selective Site Pacing Clinical Trial.

Inclusion Criteria:

• Subjects enrolled in the Optimize RV study (version 3, dated 6 March 2007)
• Subjects or legal guardians who are willing and able to sign an Informed Consent (and Authorization to use and Disclose Health Information Form, if applicable)

Exclusion Criteria:

• Subjects who have a device that was programmed outside the Optimize RV programming requirements
• Subjects implanted with and implantable cardioverter-defibrillator (ICD) or cardiac resynchronization therapy (CRT) device
• Subjects who are pregnant or nursing