Syncope Mediated by Posturally Induced Ventricular Tachycardia
Authors: Emile G. Daoud
Journal: Annals of Internal Medicine (1995)

Brief Communications15 September 1995Syncope Mediated by Posturally Induced Ventricular TachycardiaEmile G. Daoud, MD, Rodoljub Dimitrijevic, MD, and Fred Morady, MDEmile G. Daoud, MDFrom the University of Michigan Hospital, Ann Arbor, Michigan.Search for more papers by this author, Rodoljub Dimitrijevic, MDFrom the University of Michigan Hospital, Ann Arbor, Michigan.Search for more papers by this author, and Fred Morady, MDFrom the University of Michigan Hospital, Ann Arbor, Michigan.Search for more papers by this authorAuthor, Article, and Disclosure Informationhttps://doi.org/10.7326/0003-4819-123-6-199509150-00007 SectionsAboutFull TextPDF ToolsAdd to favoritesDownload CitationsTrack CitationsPermissions ShareFacebookTwitterLinkedInRedditEmail In patients without structural heart disease, recurrent orthostatic syncope is often caused by hypovolemia, autonomic insufficiency, or vasodepressor syncope. Only rarely has postural ventricular tachycardia been reported to cause syncope. In this case report, we describe an unusual variant of idiopathic ventricular tachycardia reproducibly triggered by upright posture.Case ReportA 66-year-old woman with no previous history of cardiac disease or symptomatic arrhythmia began having dyspnea on exertion. Three weeks later, she sought medical attention when she developed severe substernal chest pressure, postural syncope, and near-syncope.In the emergency department, the patient's supine blood pressure, measured using an arm cuff, ...References1. Peters M, Penner SL. Orthostatic paroxysmal ventricular tachycardia. Am Heart J. 1945; 29:645. Google Scholar2. Nakagawa H, Beckman KJ, McClelland JH, Wang X, Arruda M, Santoro I, et al. Radiofrequency catheter ablation of idiopathic left ventricular tachycardia guided by a Purkinje potential. Circulation. 1993; 88:2607-17. Google Scholar3. Coggins DL, Lee RJ, Sweeney J, Chein WW, VanHare G, Epstein L. Radiofrequency catheter ablation as a cure for idiopathic tachycardia of both left and right ventricular origin. J Am Coll Cardiol. 1994; 23:1333-41. Google Scholar Author, Article, and Disclosure InformationAffiliations: From the University of Michigan Hospital, Ann Arbor, Michigan.Corresponding Author: Fred Morady, MD, Division of Cardiology B1-F245, University of Michigan Medical Center, 1500 East Medical Center Drive, Ann Arbor, MI 48109-0022.Current Author Addresses: Drs. Daoud and Morady: Division of Cardiology B1-F245, University of Michigan Medical Center, 1500 East Medical Center Drive, Ann Arbor, MI 48109-0022. PreviousarticleNextarticle Advertisement FiguresReferencesRelatedDetails Metrics Cited ByVentricular Tachycardia Complicating Head-up Tilt Test: The role of Coronary Artery SpasmOrthostatic Intolerance. A Historical Introduction to the Pathophysiological MechanismsSyncope: Current diagnosis and treatment 15 September 1995Volume 123, Issue 6Page: 431-432KeywordsCardiovascular therapyCathetersElectrocardiographyExerciseHeartIsoproterenolPostural controlSyncopeTachycardiaVentricular tachycardia Issue Published: 15 September 1995 CopyrightCopyright © 1995 by American College of Physicians. All Rights Reserved.PDF DownloadLoading ...