What hemodynamic, clinical, and/or EKG parameters do you consider when recommending ICD implantation for patients with repaired Tetralogy of Fallot?

The most common indications for primary prevention ICD placement in patients with repaired Tetralogy of Fallot include documented ventricular arrhythmias, suspected ventricular arrhythmias (e.g., unexplained syncope), positive electrophysiology study (EPS), particularly when there is evidence of RV ...