French National Registry of Patients With Tetralogy of Fallot and Implantable Cardioverter Defibrillator

National french registry of patients with tetralogy of Fallot and implantable cardioverter defibrillator.

Inclusion criteria: * patient with tetralogy of Fallot \> 18 years * implantable cardioverter defibrillator (ICD) * primary or secondary prevention All french centers performing ICD implantation are annually contacted to include all patients with tetralogy of Fallot and ICD. Retrospective inclusion of cases before 2010 and prospective inclusion after 2010 with prospective follow up and annual update. All events are centrally adjudicated with collection of all baseline ECG and reviewing of endocavitary EGM.