title: The effect of phentolamine on atrioventricular conduction in man.
mesh_terms: D000328:Adult; D000368:Aged; D001145:Arrhythmias, Cardiac / Q000188:drug therapy; D006328:Cardiac Catheterization; D004341:Drug Evaluation; D004562:Electrocardiography; D005260:Female; D006329:Heart Conduction System / Q000187:drug effects*; D006339:Heart Rate / Q000187:drug effects; D006801:Humans; D007258:Informed Consent; D007263:Infusions, Parenteral; D008297:Male; D008875:Middle Aged; D010646:Phentolamine / Q000008:administration & dosage / Q000494:pharmacology* / Q000627:therapeutic use; D011187:Posture
chemical_list: D010646:Phentolamine