title: Valsalva responses and systolic time intervals during anaesthesia and induced hypotension.
mesh_terms: D000328:Adult; D000768:Anesthesia, General; D001794:Blood Pressure; D002320:Cardiovascular Physiological Phenomena; D004562:Electrocardiography; D005260:Female; D006221:Halothane / Q000494:pharmacology; D006801:Humans; D007023:Hypotension, Controlled; D008297:Male; D008365:Manometry; D008733:Methoxyflurane / Q000494:pharmacology; D008875:Middle Aged; D010425:Pentolinium Tartrate / Q000494:pharmacology; D010701:Phonocardiography; D011187:Posture; D011433:Propranolol / Q000494:pharmacology; D011674:Pulse; D012018:Reflex / Q000187:drug effects; D012143:Respiratory Physiological Phenomena; D014294:Trimethaphan / Q000494:pharmacology; D014636:Valsalva Maneuver
chemical_list: D008733:Methoxyflurane; D014294:Trimethaphan; D010425:Pentolinium Tartrate; D011433:Propranolol; D006221:Halothane