Document Detail

Nondominant right coronary artery disease. A source for right ventricular infarction, anginal pain, and a positive exercise electrocardiogram.
MedLine Citation:
PMID:  6861535     Owner:  NLM     Status:  MEDLINE    
A patient is described who presented with isolated episodes of typical angina pectoris. Subsequent exercise electrocardiogram was positive, and cardiac catheterization revealed a 90 percent lesion of a nondominant right coronary artery supplying only the right ventricular (RV) myocardium. The left coronary artery was normal. Stress gated equilibrium radionuclide angiograms (RNA) revealed a normal left ventricular exercise response and a markedly abnormal RV response (RV ejection fraction decreased from 31 percent at rest to 27 percent at peak stress). Nondominant right coronary artery lesions can be a source of angina pectoris, RV infarction, and a positive ECG response to exercise. Stress RNA can be useful in evaluating the functional significance of these lesions.
T W Crosby; P Shaffer; T W Bashore
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Publication Detail:
Type:  Case Reports; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Chest     Volume:  84     ISSN:  0012-3692     ISO Abbreviation:  Chest     Publication Date:  1983 Jul 
Date Detail:
Created Date:  1983-08-11     Completed Date:  1983-08-11     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  0231335     Medline TA:  Chest     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  101-4     Citation Subset:  AIM; IM    
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MeSH Terms
Angina Pectoris / diagnosis
Coronary Disease / diagnosis*,  etiology
Coronary Vessels*
Heart / radionuclide imaging
Heart Catheterization
Heart Ventricles
Myocardial Infarction / diagnosis
Physical Exertion
Stroke Volume

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

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