Cerebral blood flow velocity declines before arterial pressure in patients with orthostatic vasovagal presyncope.

Dan, Dan; Hoag, Jeffrey B; Ellenbogen, Kenneth A; Wood, Mark A; Eckberg, Dwain L; Gilligan, David M

Dan, Dan; Hoag, Jeffrey B; Ellenbogen, Kenneth A; Wood, Mark A; Eckberg, Dwain L; Gilligan, David M.

Affiliation

Dan D; Department of Medicine, Medical College of Virginia at Virginia Commonwealth University, Richmond, Virginia 23249, USA.

J Am Coll Cardiol ; 39(6): 1039-45, 2002 Mar 20.

Article in En | MEDLINE | ID: mdl-11897448

Subject(s)

Blood Flow Velocity/physiology; Blood Pressure/physiology; Cerebral Arteries/physiopathology; Hypotension, Orthostatic/complications; Hypotension, Orthostatic/physiopathology; Syncope, Vasovagal/complications; Syncope, Vasovagal/physiopathology; Blood Flow Velocity/drug effects; Blood Pressure/drug effects; Cerebrovascular Circulation/physiology; Female; Heart Conduction System/drug effects; Heart Conduction System/physiopathology; Humans; Hypotension, Orthostatic/drug therapy; Isoproterenol/therapeutic use; Male; Middle Aged; Sympathomimetics/therapeutic use; Syncope, Vasovagal/drug therapy; Time Factors; Ultrasonography, Doppler, Transcranial; Vascular Resistance/drug effects

Key words

NASA Discipline Cardiopulmonary; Non-NASA Center

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Collection: 01-internacional Database: MEDLINE Main subject: Blood Flow Velocity / Blood Pressure / Cerebral Arteries / Syncope, Vasovagal / Hypotension, Orthostatic Limits: Female / Humans / Male / Middle aged Language: En Journal: J Am Coll Cardiol Year: 2002 Type: Article Affiliation country: United States

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