Real-world Experience of Catheter Ablation for the Treatment of Arrhythmias

REAL AF Cohort

Inclusion Criteria:

* Symptomatic PAF (AF episode terminate spontaneously within 7 days) or PsAF (AF sustained beyond 7 days, but less than 365 days) subjects who, in the opinion of the investigator, are candidates for catheter ablation.
* \>18 years of age.
* Will be treated with Biosense Webster Inc. ablation technologies
* All AF ablations performed with BWI catheters are included. This includes repeat ablations where the index procedure was performed with a non-BWI catheter.
* Able and willing to participate in baseline and follow up evaluations
* Willing and able to provide informed consent, if applicable.

Exclusion Criteria:

* Enrolled in an investigational drug or device clinical trial, or any trial that dictates the treatment plan
* Long-standing persistent AF (AF greater than one year)
* In the opinion of the investigator, any known contraindication to an ablation procedure

CORE VA Cohort

Inclusion Criteria:

* Documented ventricular arrhythmia appropriate for catheter ablation.
* \>18 years of age.
* Will be treated with Biosense Webster Inc. ablation technologies
* Able and willing to participate in baseline and follow up evaluations
* Willing and able to provide informed consent, if applicable.

Exclusion Criteria:

* Enrolled in an investigational drug or device clinical trial, or any trial that dictates the treatment plan.
* In the opinion of the investigator, any known contraindication to an ablation procedure.