 - Planned revascularisation by bypass surgery or percutaneous coronary intervention following the ICD implantation, planned arrhythmia ablation, long QT-syndrome, Brugada syndrome, WPW syndrome, Drug-induced torsades, catecholaminergic polymorphic ventricular tachycardia, Hypertrophic cardiomyopathy right ventricular cardiomyopathy, dilated cardiomyopathy, Aortic stenosis, mitral valve prolapse, anomalous origin of coronary arteries, Myocardial bridging, ongoing myocarditis, recent chest trauma, 