title: Letter: A-V conduction in children.
mesh_terms: D001283:Atrioventricular Node / Q000187:drug effects / Q000502:physiology*; D006328:Cardiac Catheterization; D002648:Child; D002746:Chlorpromazine / Q000494:pharmacology; D004562:Electrocardiography; D006329:Heart Conduction System / Q000502:physiology*; D006801:Humans; D008614:Meperidine / Q000494:pharmacology; D009200:Myocardial Contraction / Q000187:drug effects; D010424:Pentobarbital / Q000494:pharmacology; D011292:Premedication; D011398:Promethazine / Q000494:pharmacology
chemical_list: D008614:Meperidine; D011398:Promethazine; D010424:Pentobarbital; D002746:Chlorpromazine