Imaging Study of Lead Implant for His Bundle Pacing

Inclusion Criteria: * Subject has a Class I or II indication for implantation of an implantable pacemaker * Subject (or legally authorized representative) has signed and dated the study-specific Consent Form * Subject is 18 years of age or older, or is of legal age to give informed consent per local and national law * Subject is expected to remain available for follow-up visits Exclusion Criteria: * Subject is contraindicated for Cardiac CT * Subject has an existing or prior pacemaker, ICD or CRT device implant * Subject is intended to receive an implant of a LV lead or CRT device * Subject life expectancy is less than 1 year * Pregnant women or breastfeeding women, or women of child bearing potential and who are not on a reliable form of birth regulation method or abstinence * Subjects with exclusion criteria required by local law (e.g. age or other) * Subject with a medical condition that precludes the patient from participation in the opinion of the investigator * Subject is enrolled in a concurrent study that may confound the results of this study.