title: Effects of cardiac pacing on the cerebral circulation: an angiographic study.
mesh_terms: D000368:Aged; D002533:Cerebral Angiography; D002560:Cerebrovascular Circulation; D005260:Female; D006327:Heart Block / Q000000981:diagnostic imaging / Q000503:physiopathology / Q000628:therapy*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010138:Pacemaker, Artificial