title: Relaxation abnormalities. Part I: Mechanisms.
mesh_terms: D002118:Calcium / Q000378:metabolism; D006332:Cardiomegaly / Q000503:physiopathology; D003327:Coronary Disease / Q000503:physiopathology; D000242:Cyclic AMP / Q000378:metabolism; D003971:Diastole; D004734:Energy Metabolism; D006333:Heart Failure / Q000209:etiology* / Q000503:physiopathology; D006352:Heart Ventricles / Q000503:physiopathology; D006801:Humans; D007473:Ion Channels / Q000378:metabolism; D009200:Myocardial Contraction; D009206:Myocardium / Q000378:metabolism; D013599:Systole
chemical_list: D007473:Ion Channels; D000242:Cyclic AMP; D002118:Calcium