Inclusion Criteria:  Aged 18 years or older Signed informed consent to participate in the study Drug refractory symptomatic paroxysmal AF or symptomatic persistent AF for less than 12 months who, in the opinion of the investigator, are candidates for catheter ablation per standard-of-care Undergoing AF ablation for the first time THERMOCOOL SMARTTOUCH® SF catheter with Visitag SURPOINT or newer technologies (e.g. QDOT, HELIOSTAR) are used in conjunction with Carto system in the ablation procedure  Exclusion Criteria:  Women of childbearing potential who are, or plan to become, pregnant during the time of the study The subject has a life expectancy of less than 12 months Severe valvular heart disease The subject has been enrolled in another investigational study evaluating a medical device or a drug.