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Proceedings Paper

The Role Of Technetium-99m STannous Pyrophosphate In Myocardial Imaging To Recognize, Localize And Identify Extension Of Acute Myocardial Infarction In Patients
Author(s): James T. Willerson; Robert W. Parkey; Frederick J. Bonte; Ernest M. Stokely; L.Maximilian Buja
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Paper Abstract

The recognition of acute myocardial infarction in the past has depended on certain electrocardiogram and cardiac enzyme alterations in association with a particular clinical history. However, in certain instances these parameters are not sufficient to either make a positive diagnosis of acute myocardial infarction or to exclude its presence. In particular, the presence of left bundle branch block, previous myocardial infarction and recent cardioversion all provide certain difficulties as far as the electrocardiographic recognition of acute myocardial infarction is concerned. Moreover, subendocardial myocardial infarction can never be precisely identified from the electrocardiogram alone; this is a matter of some concern since the subendo-cardium is the area most vulnerable to ischemic damage in experimental animals (1-3). In general, cardiac enzyme abnormalities are not so specific for myocardial damage that enzyme elevations in any individual patient might not be due to congestive heart failure, hemolysis, brain or pulmonary damage, intramuscular injection, etc., although the recent studies utilizing the myocardial specific creatine phosphokinase isoenzyme have suggested that it may be of more value in the exact recognition of myocardial infarction than the others (4).

Paper Details

Date Published: 11 March 1976
PDF: 8 pages
Proc. SPIE 0072, Cardiovascular Imaging and Image Processing: Theory and Practice, (11 March 1976); doi: 10.1117/12.954665
Show Author Affiliations
James T. Willerson, The University of Texas (United States)
Robert W. Parkey, The University of Texas (United States)
Frederick J. Bonte, The University of Texas (United States)
Ernest M. Stokely, The University of Texas (United States)
L.Maximilian Buja, The University of Texas (United States)


Published in SPIE Proceedings Vol. 0072:
Cardiovascular Imaging and Image Processing: Theory and Practice
Donald C. Harrison; Harry A. Miller, Editor(s)

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