| Technetium-99m-pyrophosphate scintigraphy in patients with suspected acute myocardial infarction: impact of interobserver variability. | |
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MedLine Citation:
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PMID: 2992259 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Technetium-99m-pyrophosphate (TcPYP) scintigraphy may have great value in patients with suspected acute myocardial infarction (AMI), but interobserver variability undoubtedly has adverse impact on predictive value. TcPYP scintigrams for 133 (80%) of 166 consecutive patients admitted for suspected AMI were interpreted independently by three experienced readers. Although there was complete agreement for 87 interpretations (65%), major discrepancies (i.e., at least one positive and one negative reading on the same scan) occurred for 28 scans (21%). To assess predictive accuracy, patients were categorized as follows: 36 had definite AMI manifest by new ECG Q waves and/or CK-MB evidence of AMI (group I), 56 were classified as possible AMI (group II), and 41 had AMI excluded (group III). Using only the definitive diagnostic categories (groups I and III), accuracy for each reader approximated 0.68, with no single reader being correct more often than any other. |
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Authors:
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M L Fisher; M H Kelemen; D Collins; L Holder; G Winzelberg; G D Plotnick; F Morris; G W Moran; N H Carliner; R W Peters |
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Publication Detail:
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Type: Journal Article; Research Support, U.S. Gov't, Non-P.H.S. |
Journal Detail:
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Title: American heart journal Volume: 110 ISSN: 0002-8703 ISO Abbreviation: Am. Heart J. Publication Date: 1985 Aug |
Date Detail:
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Created Date: 1985-09-09 Completed Date: 1985-09-09 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 0370465 Medline TA: Am Heart J Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 347-52 Citation Subset: AIM; IM |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Creatine Kinase
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blood Diagnostic Errors Diphosphates / diagnostic use* Electrocardiography Humans Isoenzymes Myocardial Infarction / diagnosis, radionuclide imaging* Prospective Studies Technetium / diagnostic use* Technetium Tc 99m Pyrophosphate |
| Chemical | |
Reg. No./Substance:
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0/Diphosphates; 0/Isoenzymes; 0/Technetium Tc 99m Pyrophosphate; 7440-26-8/Technetium; EC 2.7.3.2/Creatine Kinase |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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