title: Plasma catecholamine response to hypotension induced by trimethaphan and by sodium nitroprusside during nitrous oxide-oxygen-fentanyl anesthesia.
mesh_terms: D000328:Adult; D000758:Anesthesia; D002395:Catecholamines / Q000097:blood*; D005260:Female; D005283:Fentanyl; D005292:Ferricyanides / Q000494:pharmacology*; D006801:Humans; D007023:Hypotension, Controlled; D008297:Male; D009599:Nitroprusside / Q000494:pharmacology*; D009609:Nitrous Oxide; D010100:Oxygen; D014294:Trimethaphan / Q000494:pharmacology*
chemical_list: D002395:Catecholamines; D005292:Ferricyanides; D009599:Nitroprusside; D014294:Trimethaphan; D009609:Nitrous Oxide; D010100:Oxygen; D005283:Fentanyl