Phentolamine and dobutamine.
D006348:Cardiac Surgical Procedures; D002395:Catecholamines / Q000494:pharmacology*; D004280:Dobutamine / Q000494:pharmacology*; D006439:Hemodynamics / Q000187:drug effects*; D006801:Humans; D010646:Phentolamine / Q000494:pharmacology*; D011184:Postoperative Period
D002395:Catecholamines; D004280:Dobutamine; D010646:Phentolamine