Inclusion Criteria:

• Subjects are prospectively planned and intended to be treated with the FARAPULSE™ Pulsed Field Ablation system for cardiac tissue ablation, per physician's medical judgement, and as per hospitals' standard of care
• Subjects who are willing and capable of providing informed consent
• Subjects who are willing and capable of participating to this Registry at an approved clinical investigational center
• Subjects whose age is 18 years or above, or who are of legal age to give informed consent specific to state and national law
• Subjects are planned to undergo an ablation procedure whereby the FARAWAVE NAV PF Ablation Catheter is used in conjunction with the OPAL HDx Mapping System.

Exclusion Criteria:

• Subjects who are currently enrolled in another investigational study or registry that would directly interfere with the current study. Exceptions are when the subject is participating in a mandatory governmental registry, or a purely observational registry, that do not interfere with the current study