The Affera Global Registry is a prospective, global, multi-center, observational post-market registry (PMR). The purpose of this study is to describe clinical performance and safety data in a broad patient population treated with the Affera Platform.

Inclusion Criteria:

• Subject is ≥ 18 years of age or minimum age as required by local regulations
• Planned procedure using the commercially available Affera Platform
• Willing and able to comply with study requirements and give IC (defined as legally effective, documented confirmation of a subject's voluntary agreement to participate in this clinical study) or authorization per institution and geographical requirements

Exclusion Criteria:

• Subject is enrolled in a concurrent study that has not been approved for concurrent enrollment by the global study manager
• Subject with exclusion criteria required by local law

Subjects ≥ 18 years of age (or minimum age as required by local regulations) who have a recommendation for an ablation with the Affera Platform may be approached regarding enrollment in this study.