Document Detail

Congenital complete heart block associated with QT prolongation.
MedLine Citation:
PMID:  1505557     Owner:  NLM     Status:  MEDLINE    
The coexistence of congenital complete heart block and QT prolongation represents a special type of arrhythmia. The electrophysiological and clinical characteristics of this syndrome were studied in eight patients suffering from congenital AV block and QT prolongation. Data from 22 patients suffering from congenital complete heart block only, served as a control. In the study group, the appearance of a torsade de pointes type of ventricular tachycardia could regularly be observed and the tachycardial attack could usually be provoked by ventricular extrastimuli. The corrected QT time was markedly prolonged; on ventricular stimulation, at higher pacing rates the QT interval shortened, but remained significantly higher than in the control group. Syncopal attacks--with the character of polymorphic tachycardia--appeared in each patient of the study group while occurring in only three patients from the control group. Patients were given pacemaker implants (using a higher pacing rate) and long-term administration of beta-receptor blockers. The outcome was favourable; no ventricular tachycardia or syncopal attack was observed in the follow-up period.
F Solti; L Szatmáry; T Vecsey; F Rényi-Vámos; E Bodor
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  European heart journal     Volume:  13     ISSN:  0195-668X     ISO Abbreviation:  Eur. Heart J.     Publication Date:  1992 Aug 
Date Detail:
Created Date:  1992-09-23     Completed Date:  1992-09-23     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  8006263     Medline TA:  Eur Heart J     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  1080-3     Citation Subset:  IM    
Cardiovascular Surgical Clinic, Semmelweis Medical University, Budapest, Hungary.
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MeSH Terms
Atrioventricular Node / physiopathology
Bundle of His / physiopathology
Follow-Up Studies
Heart Block / congenital*,  physiopathology,  therapy
Long QT Syndrome / congenital*,  physiopathology,  therapy
Pacemaker, Artificial

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