title: Cerebral angiography during a modified Valsalva manoeuvre under general anaesthesia.
mesh_terms: D000293:Adolescent; D000768:Anesthesia, General; D001794:Blood Pressure; D002245:Carbon Dioxide / Q000097:blood; D002528:Cerebellar Neoplasms / Q000000981:diagnostic imaging; D002533:Cerebral Angiography; D002560:Cerebrovascular Circulation; D005260:Female; D005910:Glioma / Q000000981:diagnostic imaging; D006801:Humans; D006985:Hyperventilation; D002538:Intracranial Arteriovenous Malformations / Q000000981:diagnostic imaging; D008297:Male; D008579:Meningioma / Q000000981:diagnostic imaging; D008722:Methods; D008875:Middle Aged; D012119:Respiration; D013345:Subarachnoid Hemorrhage / Q000000981:diagnostic imaging; D014636:Valsalva Maneuver; D014690:Venous Pressure
chemical_list: D002245:Carbon Dioxide