Inotropic drugs in circulatory failure.
D006348:Cardiac Surgical Procedures; D002316:Cardiotonic Agents / Q000627:therapeutic use*; D004338:Drug Combinations; D006333:Heart Failure / Q000188:drug therapy*; D006801:Humans; D009638:Norepinephrine / Q000008:administration & dosage*; D010646:Phentolamine / Q000008:administration & dosage*
D002316:Cardiotonic Agents; D004338:Drug Combinations; D009638:Norepinephrine; D010646:Phentolamine