PATIENT CHARACTERISTICS
This study describes a case series of 6 patients from two centers with a
diagnosis of symptomatic IST based on a 24-hour, 30-day cardiac rhythm
monitor and/or implantable cardiac rhythm monitor, and exercise
treadmill stress test, which failed pharmacological control of symptoms
and tachycardia, who underwent endocardial RFA using a novel anatomical
approach guided by ICE. The study was approved by the Institutional
Ethics Committees from all participating centers.