Document Detail

Electrocardiographic differentiation between occlusion of the first diagonal branch and occlusion of the left anterior descending coronary artery.
MedLine Citation:
PMID:  19520379     Owner:  NLM     Status:  MEDLINE    
PURPOSE: We sought to electrocardiographically distinguish ST-segment elevation (STE)-acute myocardial infarction (AMI) caused by occlusion of the first diagonal branch (D1) from STE-AMI caused by occlusion of the left anterior descending coronary artery (LAD). METHODS: We examined 28 patients with STE-AMI caused by D1 occlusion (G-D) and 342 with STE-AMI caused by LAD occlusion (G-L). RESULTS: G-D had a higher prevalence of STE > or = 0.5 mm in each of leads I and aVL and a lower prevalence of STE > or = 1 mm in each of leads V(1) through V(6) than G-L. The prevalence of STE > or = 0.5 mm in lead aVL without STE > or = 1 mm in lead V(1) was higher in G-D (82.1%) than in G-L (9.4%, P < .01). CONCLUSION: ST-segment elevation > or = 0.5 mm in lead aVL without STE > or = 1 mm in lead V(1) may be useful to distinguish STE-AMI caused by occlusion of the D1 from STE-AMI caused by occlusion of the LAD.
Munenori Kotoku; Akira Tamura; Kazuhiro Shinozaki; Yusei Abe; Toru Watanabe; Junichi Kadota
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Publication Detail:
Type:  Journal Article     Date:  2009-06-10
Journal Detail:
Title:  Journal of electrocardiology     Volume:  42     ISSN:  1532-8430     ISO Abbreviation:  -     Publication Date:    2009 Sep-Oct
Date Detail:
Created Date:  2009-08-21     Completed Date:  2009-11-05     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0153605     Medline TA:  J Electrocardiol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  440-4     Citation Subset:  IM    
Internal Medicine 2, Oita University, Yufu 879-5593, Japan.
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MeSH Terms
Coronary Stenosis / diagnosis*
Diagnosis, Differential
Electrocardiography / methods*
Middle Aged
Reproducibility of Results
Sensitivity and Specificity

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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