Document Detail

Pacemaker-mediated tachycardia induced by left ventriculography during diagnostic catheterisation: a rare event.
MedLine Citation:
PMID:  18320086     Owner:  NLM     Status:  MEDLINE    
Pacemaker-mediated tachycardia (PMT) is an arrhythmia seen in patients implanted with dual-chamber pacemakers. It occurs when ventricular contraction is followed by retrograde conduction to the atrium, which is sensed by the pacemaker, leading to ventricular triggering. A vicious re-entry cycle is set up, leading to incessant tachycardia unless appropriately terminated. A common precipitant is a premature ventricular contraction (PVC). Although PVCs are frequently generated during ventriculography, PMT is an extremely rare event during cardiac catheterisation despite the fact that a large number of patients with implanted pacemakers do undergo the procedure. We report on a case and hope to highlight the possibility of PMT occurring during catheterisation, as well on therapeutic options.
Fahim H Jafary; Azam Shafquat
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Publication Detail:
Type:  Case Reports; Journal Article    
Journal Detail:
Title:  Cardiovascular journal of Africa     Volume:  19     ISSN:  1995-1892     ISO Abbreviation:  -     Publication Date:    2008 Jan-Feb
Date Detail:
Created Date:  2008-03-05     Completed Date:  2009-06-16     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101313864     Medline TA:  Cardiovasc J Afr     Country:  South Africa    
Other Details:
Languages:  eng     Pagination:  31-2     Citation Subset:  IM    
Department of Medicine, Section of Cardiology, Aga Khan University Hospital, Karachi, Pakistan.
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MeSH Terms
Acute Coronary Syndrome / blood,  physiopathology,  surgery
Atrioventricular Block / blood,  radiography,  radionuclide imaging
Gated Blood-Pool Imaging / adverse effects
Heart Catheterization / adverse effects
Heart Valve Prosthesis Implantation / adverse effects
Heart Ventricles / radionuclide imaging,  surgery
Middle Aged
Pacemaker, Artificial / adverse effects*
Tachycardia / blood,  diagnosis,  etiology*

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