Overview

The primary objective of this registry is to capture the real-world data on the outcome of AtriCure Isolator® Synergy™ Surgical Ablation system (or future iterations) when used to ablate cardiac tissue in patients with Inappropriate Sinus Tachycardia (IST) or Postural Tachycardia Syndrome (POTS) using sinus node sparing hybrid ablation procedures. This is an observational, retrospective and prospective, multicenter, open-label patient registry.

Eligibility

Inclusion Criteria:

1. Subject is age>=18 years
2. Subject has been scheduled by physician to undergo or has undergone hybrid sinus node ablation procedure using the AtriCure Isolator® Synergy™ device or future iterations of that device for IST or POTS
3. Subject is willing to provide written informed consent (defined as legally effective, documented confirmation of a subject's voluntary agreement to participate in this Registry) or authorization per institution and geographical requirements

Exclusion Criteria:

1. Subject is enrolled in a concurrent study that has not been approved for concurrent enrollment by the global study manager
2. Subject with exclusion criteria required by FDA or local governance