title: Bedside assessment of cerebral circulation.
mesh_terms: D001775:Blood Circulation; D002533:Cerebral Angiography; D003643:Death; D004569:Electroencephalography; D006801:Humans; D011868:Radioisotopes; D013667:Technetium
chemical_list: D011868:Radioisotopes; D013667:Technetium