FLNC and Ventricular arrhythmia: ∙ Participation in high intensity exercise or competitive sports can be considered on the basis of an individualised expert assessment in those who are asymptomatic and if no additional risk markers are present (LVEF <45%, presence of frequent/complex ventricular arrhythmias on ambulatory ECG/exercise testing, LGE on CMR, lamin A/C or filamin C genotype, inability to increase EF by 10–15% during exercise)