Sudden cardiac death is the leading cause of non-traumatic mortality in young (<35 years old) athletes, with recent data suggesting the incidence to be higher than what was previously estimated. The vast majority of deaths are caused by silent hereditary or congenital cardiac disorders. Over the last decade, advances in our understanding of both the genetic and clinical mechanisms underlying these conditions, particularly those associated with a structurally normal heart, have led to advances in diagnosis and management including interventions and lifestyle modifications that aim to minimize...