What is idiopathic dilated cardiomyopathy?

10% of SCD in adults, mortality ranges from 10-50% annually depending on severity Syncope is important variable identifying pt with risk of SCD. Arrhythmogenic RV dysplasia is a kind of CM on chromosome 1 and 14q23-q24 Exercise can precipitate V.Tach annual incidence 2%. two pathological patterns: fatty and fibrofatty myocardial infiltration. We can see epsilon wave in sinus rhythm due to intraventricular conduction