Document Detail

Isolated atrial infarction in a patients with single vessel disease of the sinus node artery.
MedLine Citation:
PMID:  2060356     Owner:  NLM     Status:  MEDLINE    
Atrial infarction is found in approximately 17 percent of autopsy-proven cases of myocardial infarction, but is a frequently missed clinical diagnosis. The antemortem diagnosis of atrial infarction occurring in the absence of ventricular infarction has not been previously reported. We present a patient with ischemic chest discomfort associated with paroxysmal atrial fibrillation. Electrocardiographic and enzymatic changes were consistent with atrial infarction. Cardiac catheterization demonstrated single vessel critical stenosis at the origin of the sinus node artery. Combined atrial and ventricular infarction occurs frequently and should be considered in the setting of paroxysmal supraventricular arrhythmias occurring early in the course of ventricular myocardial infarction. Lone atrial infarction is a rare but distinct clinical entity. The tetrad of typical ischemic chest discomfort, paroxysmal supraventricular arrhythmia, P-Ta segment shifts, and elevated cardiac enzyme levels without evidence for ventricular infarction strongly suggests isolated atrial infarction.
A K Wong; H J Marais; K Jutzy; G A Capestany; G E Marais
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Publication Detail:
Type:  Case Reports; Journal Article    
Journal Detail:
Title:  Chest     Volume:  100     ISSN:  0012-3692     ISO Abbreviation:  Chest     Publication Date:  1991 Jul 
Date Detail:
Created Date:  1991-08-05     Completed Date:  1991-08-05     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  0231335     Medline TA:  Chest     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  255-6     Citation Subset:  AIM; IM    
Department of Medicine, Loma Linda University School of Medicine, CA.
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MeSH Terms
Constriction, Pathologic
Coronary Angiography
Coronary Vessels / pathology*
Heart Atria
Myocardial Infarction / diagnosis,  pathology*,  radiography
Sinoatrial Node

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