title: The diagnosis of internal carotid artery occlusion by directional Doppler sonography of the ophthalamic artery.
mesh_terms: D002340:Carotid Artery Diseases / Q000175:diagnosis* / Q000503:physiopathology; D002343:Carotid Artery, Internal / Q000503:physiopathology; D003097:Collateral Circulation; D004562:Electrocardiography; D004569:Electroencephalography; D006801:Humans; D009880:Ophthalmic Artery / Q000503:physiopathology; D011674:Pulse; D014465:Ultrasonics