| Isolated inferior wall ST segment depression as an early sign of acute anterior wall myocardial infarction. | |
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MedLine Citation:
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PMID: 20954789 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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BACKGROUND: Reciprocal changes may accompany ST segment elevation in the ischemic territory during acute myocardial infarction (AMI). We examined the hypothesis that isolated inferior ST segment depression on admission is an early sign of anterior wall infarction. METHODS: 49 patients admitted to the coronary care unit between January 1996 and June 2008 who presented with inferior ST segment depression in the absence of ST segment elevation. Electrocardiograms (ECGs) obtained on admission and at 24-48 h were reviewed. Culprit artery was determined based on angiographic and echocardiographic data. RESULTS: All patients had ST segment depression in the inferior leads on admission. A subgroup (55%) presented with concomitant ST segment depression in V5-V6. Follow-up ECG showed that 35% developed ST segment elevations and/or T wave inversions in anterior wall leads over 24-48 h. The left anterior descending (LAD) artery or one of its branches was the culprit in 60% of the patients. Sum of ST segment depression, V5-V6 involvement or presence of 'hyperacute' T waves did not predict LAD involvement. CONCLUSION: Isolated ST segment depression in the inferior wall leads during ACS is usually an early sign of anterior wall AMI, in which the LAD or one of its branches is the culprit artery. |
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Authors:
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Iddo Bar-Yishay; Harel Gilutz; Carlos Cafri; Reuben Ilia; Doron Zahger |
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Publication Detail:
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Type: Journal Article Date: 2010-10-18 |
Journal Detail:
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Title: Acute cardiac care Volume: 12 ISSN: 1748-295X ISO Abbreviation: Acute Card Care Publication Date: 2010 Dec |
Date Detail:
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Created Date: 2010-11-02 Completed Date: 2010-12-20 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101276603 Medline TA: Acute Card Care Country: England |
Other Details:
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Languages: eng Pagination: 119-23 Citation Subset: IM |
Affiliation:
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Department of Cardiology, Soroka University Medical Center, Faculty of Health Sciences, Ben Gurion University of Negev, Beer Sheva. iddoby@gmail.com |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Aged Anterior Wall Myocardial Infarction* / diagnosis, pathology, physiopathology Coronary Angiography Coronary Care Units Coronary Vessels / pathology Early Diagnosis Echocardiography Electrocardiography* Female Humans Male Middle Aged Retrospective Studies Time Factors |
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