| Left atrial infarction: a case report and review of the literature. | |
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MedLine Citation:
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PMID: 19949318 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The majority of cardiac related deaths are due to ischemic heart disease, with the most common clinical scenario being severe coronary artery atherosclerosis resulting in left ventricular myocardial infarction. However, infarction of other cardiac chambers does occur, and often has specific clinical associations. We report a case of a 70-year-old man who suffered from left atrial infarction that resulted in a transmural rupture of his left atrium. The patient had a history of rheumatic heart disease, mitral valve stenosis, and severe atherosclerotic coronary artery disease. Four days before death, he underwent mitral valve replacement and left circumflex coronary artery bypass. Two days later, he developed atrial fibrillation. On the day of death, he had decreased mental status, questionable seizure activity, hematemesis, ventricular tachycardia, and eventually asystole. At autopsy, he had significant hemopericardium with a fibrinous pericarditis and bilateral hemothoraces (total blood volume: 1250 mL). A 0.1 to 0.2 cm left atrial transmural defect was identified. The prosthetic mitral valve was free of vegetations, and completely intact. Similarly, the left circumflex artery bypass graft was completely patent and unremarkable. Severe calcific atherosclerosis was of his native left circumflex and left main coronary arteries. Microscopic examination revealed acute myocardial infarction of the left atrium at the rupture site. The anatomy of atrial circulation as well as the pathology and consequences of atrial infarction are discussed. |
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Authors:
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Kelly L Rose; Kim A Collins |
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Publication Detail:
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Type: Case Reports; Journal Article; Review |
Journal Detail:
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Title: The American journal of forensic medicine and pathology Volume: 31 ISSN: 1533-404X ISO Abbreviation: Am J Forensic Med Pathol Publication Date: 2010 Mar |
Date Detail:
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Created Date: 2010-02-24 Completed Date: 2010-06-10 Revised Date: 2011-02-02 |
Medline Journal Info:
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Nlm Unique ID: 8108948 Medline TA: Am J Forensic Med Pathol Country: United States |
Other Details:
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Languages: eng Pagination: 1-3 Citation Subset: IM |
Affiliation:
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Medical University of South Carolina, Charleston, NC, USA. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Aged Coronary Artery Bypass Coronary Artery Disease / pathology Forensic Pathology Heart Atria / pathology* Heart Rupture, Post-Infarction / pathology* Heart Valve Prosthesis Implantation Hematemesis / etiology Hemothorax / pathology Humans Male Mitral Valve / surgery Pericardial Effusion / pathology Pericarditis / pathology Postoperative Complications* Seizures / etiology |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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