Occlusion of the vertebral arteries. Causing transient basilar symptoms.
D001488:Basilar Artery; D016122:Brachiocephalic Trunk; D003097:Collateral Circulation; D005260:Female; D006801:Humans; D002537:Intracranial Arteriosclerosis / Q000150:complications* / Q000000981:diagnostic imaging; D002542:Intracranial Embolism and Thrombosis / Q000209:etiology*; D002546:Ischemic Attack, Transient / Q000209:etiology*; D008297:Male; D008875:Middle Aged; D011859:Radiography; D013348:Subclavian Artery; D014711:Vertebral Artery