title: Noninvasive diagnosis of reversal of vertebral-artery blood flow.
mesh_terms: D000368:Aged; D000792:Angiography; D001132:Arm / Q000098:blood supply; D001157:Arterial Occlusive Diseases / Q000175:diagnosis; D001775:Blood Circulation; D001916:Brachial Artery / Q000503:physiopathology; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011674:Pulse; D013348:Subclavian Artery / Q000503:physiopathology; D013349:Subclavian Steal Syndrome / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000503:physiopathology; D014463:Ultrasonography; D014711:Vertebral Artery / Q000503:physiopathology*; D014715:Vertebrobasilar Insufficiency / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000503:physiopathology