Heart is<unk>  with poor contraction and EF
Idiopathic form accounts for 25% of CHF
Viral/chronic myocarditis is most common identifiable causes
Other causes
Ischemic
Other infectious - HIV, Lyme, Chagas
Familial<unk> 
Hypertensive<unk> 
Toxic (ETOH/beriberi, cocaine, methamphetamine, chemo, heavy metals)
Hyperthyroidism
Sarcoidosis
Peripartum cardiomyopathy
Kawasaki disease
Autoimmune, SLE
Connective tissue disease
Infiltrative disease
Mitochondrial disease
Tachycardia-mediated
ESRD
Eosinophilic (Churg-Strauss syndrome)
Ischemic
Other infectious - HIV, Lyme, Chagas
Familial<unk> 
Hypertensive<unk> 
Toxic (ETOH/beriberi, cocaine, methamphetamine, chemo, heavy metals)
Hyperthyroidism
Sarcoidosis
Peripartum cardiomyopathy
Kawasaki disease
Autoimmune, SLE
Connective tissue disease
Infiltrative disease
Mitochondrial disease
Tachycardia-mediated
ESRD
Eosinophilic (Churg-Strauss syndrome)
Dilated cardiomyopathy
Restrictive cardiomyopathy
Hypertrophic cardiomyopathy
Amyloidosis
Peripartum cardiomyopathy
Acute rheumatic fever
Takotsubo cardiomyopathy
Constrictive pericarditis