Document Detail

Sustained ventricular tachycardia in structural heart disease.
MedLine Citation:
PMID:  25299497     Owner:  NLM     Status:  Publisher    
Ventricular arrhythmias are responsible for the majority of sudden cardiac deaths, particularly in patients with structural heart disease. Coronary artery disease, essentially previous myocardial infarction, is the most common heart disease upon which sustained ventricular tachycardia (VT) occurs, being reentry the predominant mechanism. Idiopathic dilated cardiomyopathy and Chagas disease are other cardiac conditions that present with VT in follow-up. Analysis of the 12-lead electrocardiogram (ECG) is essential for diagnosis. There are numerous electrocardiographic criteria that suggest VT with good specificity. The ECG also guides us in locating the site of origin of the arrhythmia and the presence of underlying heart disease. The electrophysiological study provides valuable information to establish the mechanism of the arrhythmia and guide the ablation procedure, as well as to confirm the diagnosis when dubious ECG. Given the poor efficacy of antiarrhythmic drug therapy, catheter ablation is the most attractive option to reduce the frequency of VT episodes and the number of shocks in patients implanted with a defibrillator (ICD). ICD therapy has proven to be effective in patients with aborted sudden cardiac death or sustained VT in the presence of structural heart disease and its implantation is unquestioned in this patient population nowadays.
Claudio Hadid
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-10-09
Journal Detail:
Title:  Cardiology journal     Volume:  -     ISSN:  1897-5593     ISO Abbreviation:  Cardiol J     Publication Date:  2014 Oct 
Date Detail:
Created Date:  2014-10-9     Completed Date:  -     Revised Date:  2014-10-10    
Medline Journal Info:
Nlm Unique ID:  101392712     Medline TA:  Cardiol J     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
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