SureScan Post-Approval Study

Inclusion Criteria:

1. Subject or legally authorized representative provides written authorization and/or
consent per institution and geographical requirements

2. Subject is or intended to be implanted with a complete SureScan pacing system
consisting of both a right atrial and ventricular 5086MRI Lead (used for pacing and
sensing) and a SureScan device

3. Subject within 30 days of implant (maximum 50% of Chronic Performance Arm enrollment)
or subject enrolled into Multiple MRI Scan Arm at the time of MRI scan indication

Exclusion Criteria:

1. Subject who is, or will be inaccessible for follow-up

2. Implant and follow-up data, including adverse device effects and system modifications
at implant through the time of enrollment are unavailable

3. Subject with exclusion criteria required by local law