title: Orthostatic hypotension as a manifestation of vitamin B12 deficiency.
abstract: A 90-year-old woman with orthostatic hypotension and near-syncope was found to have a low-normal level of vitamin B(12) and no other medical findings that could explain her orthostasis. Her symptoms responded to vitamin B(12) replacement therapy. This case shows that vitamin B(12) deficiency can induce orthostatic hypotension and syncope that are correctable by vitamin B(12) replacement.
authors.affiliation: Department of Adult Cardiology, Texas Heart Institute at St. Luke's Episcopal Hospital, Houston, Texas 77030, USA.
authors.forename: Leila
authors.initials: L
authors.lastname: Ganjehei
authors.forename: Ali
authors.initials: A
authors.lastname: Massumi
authors.forename: Mehdi
authors.initials: M
authors.lastname: Razavi
authors.forename: James M
authors.initials: JM
authors.lastname: Wilson
mesh_terms: D000369:Aged, 80 and over; D015415:Biomarkers / Q000097:blood; D005260:Female; D006801:Humans; D007024:Hypotension, Orthostatic / Q000175:diagnosis / Q000209:etiology*; D013575:Syncope / Q000209:etiology; D016896:Treatment Outcome; D014805:Vitamin B 12 / Q000097:blood* / Q000627:therapeutic use; D014806:Vitamin B 12 Deficiency / Q000097:blood / Q000150:complications* / Q000175:diagnosis / Q000188:drug therapy; D014815:Vitamins / Q000627:therapeutic use
chemical_list: D015415:Biomarkers; D014815:Vitamins; D014805:Vitamin B 12
keywords: Hypotension, orthostatic/etiology/therapy; vitamin B 12 deficiency; vitamin B 12 replacement; vitamin B 12/therapeutic use