Document Detail

Cardiac arrest caused by undersensing of a temporary epicardial pacemaker.
MedLine Citation:
PMID:  20101359     Owner:  NLM     Status:  MEDLINE    
The R-on-T phenomenon is a well-known entity that predisposes to dangerous arrhythmias. Typically, a premature ventricular complex occurring at the critical time during the T wave of the preceding beat precipitates ventricular tachycardia and fibrillation. This phenomenon can occur not only in asynchronous ventricular pacemakers, but also in synchronous pacemakers, if loss of sensing of the intrinsic rhythm becomes evident. A patient who was fitted with a temporary epicardial wire, following cardiac surgery and experienced repeated episodes of polymorphic ventricular tachycardia caused by the R-on-T phenomenon, is described.
D Chemello; A Subramanian; N Kumaraswamy
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Publication Detail:
Type:  Case Reports; Journal Article    
Journal Detail:
Title:  The Canadian journal of cardiology     Volume:  26     ISSN:  1916-7075     ISO Abbreviation:  Can J Cardiol     Publication Date:  2010 Jan 
Date Detail:
Created Date:  2010-01-26     Completed Date:  2010-03-04     Revised Date:  2011-07-19    
Medline Journal Info:
Nlm Unique ID:  8510280     Medline TA:  Can J Cardiol     Country:  Canada    
Other Details:
Languages:  eng     Pagination:  e13-4     Citation Subset:  IM    
Toronto General Hospital, University Health Network, Canada.
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MeSH Terms
Coronary Artery Bypass
Equipment Failure
Heart Arrest / etiology*
Pacemaker, Artificial / adverse effects*
Tachycardia, Ventricular / etiology*,  physiopathology

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

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