title: Improvement in supine bicycle exercise performance in refractory congestive heart failure after isosorbide dinitrate: radionuclide and hemodynamic evaluation of acute effects.
mesh_terms: D000368:Aged; D001794:Blood Pressure / Q000187:drug effects; D002302:Cardiac Output / Q000187:drug effects; D004562:Electrocardiography; D004912:Erythrocytes; D006321:Heart / Q000000981:diagnostic imaging; D006333:Heart Failure / Q000000981:diagnostic imaging / Q000188:drug therapy* / Q000503:physiopathology; D006801:Humans; D007548:Isosorbide Dinitrate / Q000627:therapeutic use*; D008297:Male; D008875:Middle Aged; D005082:Physical Exertion; D011877:Radionuclide Imaging; D013670:Sodium Pertechnetate Tc 99m; D013318:Stroke Volume / Q000187:drug effects; D013667:Technetium; D014655:Vascular Resistance / Q000187:drug effects
chemical_list: D013667:Technetium; D013670:Sodium Pertechnetate Tc 99m; D007548:Isosorbide Dinitrate