| Prognostic significance of the initial electrocardiographic pattern in a first acute anterior wall myocardial infarction. | |
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MedLine Citation:
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PMID: 8141879 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The availability of potent, but potentially dangerous, types of reperfusion therapy for acute myocardial infarction (AMI) has forced us to refine our tools for early and accurate diagnosis and for early risk stratification of patients with evolving AMI. The estimation of risk has to be made shortly after admission, when only the history, physical examination, and the ECG are available. This study was undertaken to compare in-hospital mortality with different patterns of the ECG obtained at admission in 147 consecutive patients with an evolving first AMI of the anterior wall. By using a new classification of the admission ECG, it was possible to divide the patients into 3 groups: (1) group A contained 12 patients with tall peaked T waves in the involved leads, without ST segment elevation; (2) group B comprised 77 patients with abnormal T waves and ST elevation, but without major changes in the terminal portion of the QRS complex; and (3) group C comprised 58 patients with abnormal T waves, ST elevation, and distortion of the terminal portion of the QRS. The mortality was 0, 3 percent, and 29 percent in groups A, B, and C, respectively (chi 2 = 22.91; p = 0). By using a logistic regression model, it was found that the initial ECG pattern alone is a strong predictor of in-hospital mortality in patients with an evolving anterior wall AMI. The predicted probabilities of death in groups A, B, and C are 0.0016, 0.025, and 0.29, respectively. This simple classification of the initial ECG pattern in patients with a first AMI of the anterior wall may enable the differentiation of patients with low in-hospital mortality (groups A and B) and of those with an in-hospital mortality of almost 30 percent (group C). |
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Authors:
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Y Birnbaum; S Sclarovsky; A Blum; A Mager; U Gabbay |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Chest Volume: 103 ISSN: 0012-3692 ISO Abbreviation: Chest Publication Date: 1993 Jun |
Date Detail:
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Created Date: 1993-11-10 Completed Date: 1993-11-10 Revised Date: 2004-11-17 |
Medline Journal Info:
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Nlm Unique ID: 0231335 Medline TA: Chest Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 1681-7 Citation Subset: AIM; IM |
Affiliation:
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Israel and Ione Massada Center for Heart Diseases, Beilinson Medical Center, Petah Tikva, Israel. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Aged Aged, 80 and over Electrocardiography* Female Humans Male Middle Aged Myocardial Infarction / mortality, physiopathology* Prognosis Risk Factors Shock, Cardiogenic / etiology, mortality |
| Comments/Corrections | |
Comment In:
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Chest. 1994 Jan;105(1):3-4
[PMID:
8275757
]
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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