Ventricular arrhythmias (VAs) in patients without structural heart disease can be found in asignificant portion of the general population. The prognosis of patients with idiopathic VA is usually favorable and patients are often asymptomatic. However, sudden cardiac death (SCD) as a consequence of idiopathic VA has been reported. The aim of this review is to present an
overview of the association between idiopathic VA and SCD.