Palpitations (27%)
Syncope (26%)<unk>  dysrhythmias/cardiac arrest (23%)
Especially occurring during exercise
Family history of unexplained syncope or sudden death
Dysrhythmias refractory to antidysrhythmic meds
Asymptomatic (40%)
Usually these patients are identified through genetic testing of an affected or symptomatic family member<unk><unk>  failure (6%)
Dilated cardiomyopathy
Dyspnea
Atypical chest pain (6%)
Especially occurring during exercise
Usually these patients are identified through genetic testing of an affected or symptomatic family member
Arrhythmogenic right ventricular dysplasia
Dilated cardiomyopathy
Stone heart
Hypertrophic cardiomyopathy
Hypoplastic left heart syndrome
Restrictive cardiomyopathy
Peripartum cardiomyopathy
Total anomalous pulmonary venous return