title: Alteration of preload and afterload in the treatment of cardiac failure.
mesh_terms: D003971:Diastole / Q000187:drug effects; D006331:Heart Diseases; D006801:Humans; D009200:Myocardial Contraction / Q000187:drug effects*; D013599:Systole / Q000187:drug effects; D014665:Vasodilator Agents / Q000494:pharmacology / Q000627:therapeutic use
chemical_list: D014665:Vasodilator Agents