Document Detail


Persistent atrial fibrillation associated with syncope due to orthostatic hypotension: a case report.
MedLine Citation:
PMID:  19543107     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
A 40-year-old man was referred to our Cardiology Unit because of three syncopal episodes. The ECG showed atrial fibrillation with a mean heart rate of 104 bpm. The patient was unable to maintain the upright position because of marked orthostatic hypotension associated with bradycardia and presyncope. Two days later the patient underwent direct current shock with sinus rhythm restoration. After the procedure both symptoms and orthostatic hypotension disappeared. A tilt test induced marked hypotension and bradycardia only after nitroglycerine. This is the first report of a patient with persistent atrial fibrillation associated with syncope caused by orthostatic hypotension and bradycardia. The patient's clinical features and positive tilt test only after nitroglycerine lead us to hypothesize that the arrhythmia plays a more important role in the etiology of symptoms with respect to autonomic impairment and that the pathophysiological mechanism responsible for these symptoms could be mainly the baroreceptor reflex.
Authors:
Stefania Reato; Maria C Baratella; Daniele D'este
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Publication Detail:
Type:  Case Reports; Journal Article    
Journal Detail:
Title:  Journal of cardiovascular medicine (Hagerstown, Md.)     Volume:  10     ISSN:  1558-2035     ISO Abbreviation:  J Cardiovasc Med (Hagerstown)     Publication Date:  2009 Nov 
Date Detail:
Created Date:  2010-01-15     Completed Date:  2010-03-25     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101259752     Medline TA:  J Cardiovasc Med (Hagerstown)     Country:  United States    
Other Details:
Languages:  eng     Pagination:  866-8     Citation Subset:  IM    
Affiliation:
Cardiology Unit, Civic Hospital, Dolo, Venice, Italy.
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MeSH Terms
Descriptor/Qualifier:
Adult
Atrial Fibrillation / complications*,  diagnosis,  therapy
Bradycardia / etiology
Electric Countershock
Electrocardiography
Humans
Hypotension, Orthostatic / diagnosis,  etiology*
Male
Nitroglycerin / diagnostic use
Syncope / diagnosis,  etiology*
Tilt-Table Test
Treatment Outcome
Chemical
Reg. No./Substance:
55-63-0/Nitroglycerin

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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