title: Heart failure.
mesh_terms: D006328:Cardiac Catheterization; D015984:Causality; D017023:Coronary Angiography; D004452:Echocardiography; D004562:Electrocardiography; D005080:Exercise Test; D005247:Feeding Behavior; D006333:Heart Failure / Q000175:diagnosis* / Q000453:epidemiology / Q000209:etiology / Q000628:therapy*; D006801:Humans; D007255:Information Services; D020407:Internet; D008019:Life Style; D008279:Magnetic Resonance Imaging; D014481:United States / Q000453:epidemiology