Diversion and reversal of cerebral blood flow. External carotid artery "steal".
D016122:Brachiocephalic Trunk; D002339:Carotid Arteries / Q000503:physiopathology; D002340:Carotid Artery Diseases / Q000150:complications / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000503:physiopathology* / Q000601:surgery; D002560:Cerebrovascular Circulation; D002561:Cerebrovascular Disorders / Q000209:etiology; D003097:Collateral Circulation; D006801:Humans; D008297:Male; D008722:Methods; D008875:Middle Aged; D011859:Radiography; D013349:Subclavian Steal Syndrome / Q000503:physiopathology; D014711:Vertebral Artery / Q000503:physiopathology