Document Detail

Special features of right bundle branch block in patients with arrhythmogenic right ventricular cardiomyopathy/dysplasia.
MedLine Citation:
PMID:  22036093     Owner:  NLM     Status:  MEDLINE    
RESULTS: ARVC could be diagnosed according to ISFC/ESC criteria in 374 patients. CRBBB was found in 22 cases (6%) and iCRBBB was present in 47 cases (12.5%). In CRBBB T wave inversions ≥ V4 was found in 10 cases (n.s.) and r'/s ratio<1 was present in 12 cases (p<0.001). In iCRBBB T wave inversions ≥ V4 was found in 10 cases (n.s.) and ST segment elevation in right precordial leads was present in 19 cases (p<0.005). In all patients with ARVC localized right precordial QRS prolongation was found. Patients with CRBBB have a bad prognosis: 17 of 22 patients developed biventricular heart failure requiring heart transplantation and diuretic therapy.
CONCLUSIONS: CRBBB and iCRBBB are infrequent findings in arrhythmogenic right ventricular cardiomyopathy. Complete right bundle branch block is characterized by r'/s ratio<1. There are no significant T wave inversions ≥ V4. Incomplete right bundle branch block is characterized by ST segment elevation in right precordial leads but not by T wave inversions ≥ V4.
Stefan Peters; Martina Trümmel; Brigitte Koehler
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Publication Detail:
Type:  Journal Article     Date:  2011-10-28
Journal Detail:
Title:  International journal of cardiology     Volume:  157     ISSN:  1874-1754     ISO Abbreviation:  Int. J. Cardiol.     Publication Date:  2012 May 
Date Detail:
Created Date:  2012-04-30     Completed Date:  2013-02-14     Revised Date:  2013-05-20    
Medline Journal Info:
Nlm Unique ID:  8200291     Medline TA:  Int J Cardiol     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  102-3     Citation Subset:  IM    
Copyright Information:
Copyright © 2011 Elsevier Ireland Ltd. All rights reserved.
St. Antonius-Hospital Gronau GmbH, Cardiology, Germany.
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MeSH Terms
Arrhythmogenic Right Ventricular Dysplasia / diagnosis,  epidemiology*,  physiopathology*
Bundle-Branch Block / diagnosis,  epidemiology*,  physiopathology*
Electrocardiography / methods
Follow-Up Studies
Middle Aged

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

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