Clinical Research Directory

Inclusion Criteria: 1. Subject must provide written informed consent prior to any clinical investigation-related procedure. 2. Subject is at least 18 years of age. 3. Subject is scheduled to undergo a standard low-voltage lead implant in the left bundle branch area for either bradycardia or heart failure per the site's standard of care. Exclusion Criteria: 1. Subject is currently participating in another clinical investigation that may impact study outcomes, as determined by the study sponsor or lead investigator. 2. Pregnant or nursing subjects and those who plan pregnancy during the clinical investigation follow-up period. 3. Presence of other anatomic or comorbid conditions, or other medical, social, or psychological conditions that, in the investigator's opinion, could limit the subject's ability to participate in the clinical investigation or to comply with follow-up requirements of the clinical investigation results. Protocol-Specific Screening Exclusion Criteria (if applicable) 4. Subject has a mechanical tricuspid valve, percutaneous tricuspid valve repair or replacement, or an implanted vena cava filter. 5. Subject has evidence of tricuspid stenosis, tricuspid atresia, or any condition that precludes appropriate vascular access for the procedure. 6. Subject has an existing lead or device in the right heart or interventricular septum (including lead fragments and closure devices). 7. Subject has known allergy or hypersensitivity to \<1 mg of dexamethasone sodium phosphate or any blood/tissue-contacting material used in the procedure. 8. Subject is unable to receive heparin or an acceptable alternative for anticoagulation. 9. Subject has an active systemic infection. 10. Subject has known history or repair of atrial septal defect, patent foramen ovale, or ventricular septal defect. 11. Subject is unable to read or write