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KMID : 0357820040280010010
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Korean Journal of Legal Medicine
2004 Volume.28 No. 1 p.10 ~ p.17
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Evaluation of Simplified Method of the Cardiac Conduction System Analysis and Sudden Death Resulting from the Cardiac Conduction System.
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Lee Sang-Yong
Jeon Seok-Hoon
Kim Jang-Hee
Seo Joong-Seok
Lee Ho
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Abstract
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A simplified method of the cardiac conduction system (CCS) is evaluated by the study of 73 forensic cases. The sinoatrial node were observed in all cases (100.0%), atrioventricular node in 70 cases (95.9%) and penetrating bundle (His bundle) in 70 cases (95.9%). We divided the cases into three groups as the group of cardiac death (25 cases), non-cardiac death (24cases) and sudden unexpected death but undeterminable cause of death (24 cases) diagnosed after routine autopsy including routine cardiac examination and toxicological analysis and compared the type and incidence of CCS lesions in each groups. Narrowing of the sinoatrial (SA) or atrioventricular (AV) artery by fibromuscular hyperplasia (FMH) and fatty infiltration in SA or AV node were identified in all groups, lymphocytic infiltration in SA or AN node in cardiac and non-cardiac death group, hemorrhage and fibrosis of SA or AV node were identified in cardiac death group. FMH of the artery of SA or AN node occured more commonly in undeterminable cause of death group (45.1%) than in cardiac (16.0%) and non-cardiac group (20.8%) and severe narrowing (> or =75%) of the artery of SA or AV node was only present in undeterminable cause of death group (29.2%). The results led to the conclusion that this simple technique is very useful in detection of major abnor-malities of CCS with minimal effort and examination of the CCS in death which the routine autopsy and drug screen fail to provide a cause of death can yield a cause of death in a significant percentage of cases.
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KEYWORD
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Cardiac conduction system, Sudden death
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