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