Preoperative medication and its effect on blood gases.
D000328:Adult; D001784:Blood Gas Analysis; D006348:Cardiac Surgical Procedures; D002648:Child; D006355:Heart-Lung Machine; D006801:Humans; D008614:Meperidine / Q000494:pharmacology*; D008875:Middle Aged; D010424:Pentobarbital / Q000494:pharmacology*; D011229:Preanesthetic Medication; D011398:Promethazine / Q000494:pharmacology*; D012119:Respiration / Q000187:drug effects*
D008614:Meperidine; D011398:Promethazine; D010424:Pentobarbital