title: What is wrong with the failing heart?
mesh_terms: D000818:Animals; D002395:Catecholamines / Q000502:physiology; D006333:Heart Failure / Q000503:physiopathology*; D006801:Humans; D009200:Myocardial Contraction; D009206:Myocardium / Q000032:analysis; D011943:Receptors, Adrenergic, beta / Q000032:analysis
chemical_list: D002395:Catecholamines; D011943:Receptors, Adrenergic, beta