Linked Life Data

10084372

Source:http://linkedlifedata.com/resource/pubmed/id/10084372

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
2
pubmed:dateCreated
1999-5-24
pubmed:abstractText
Although the aVL lead in exercise electrocardiography is reported to be helpful in identifying a significant narrowing of the left anterior descending coronary artery (LAD), its role in exercise testing has not been fully evaluated. Accordingly, 821 patients who underwent both standard exercise testing and coronary angiography were evaluated. In patients with aVL lead ST elevation, the incidence of a significant narrowing of the LAD (124/165 vs 348/656; p<0.001) was higher than in those without. Multiple logistic regression analysis revealed that the 2 most important variables that correlated with aVL lead ST elevation were a greater number of leads with ST depression in the inferior leads and a smaller amplitude of R wave in the aVL lead. In contrast, variables correlating with aVL lead ST depression in the majority of cases were a greater number of leads with ST depression in all leads and the presence of inferior lead ST elevation. The results of this study indicate that although aVL lead ST elevation could be a marker for LAD narrowing, more important factors such as inferior lead ST-segment depression and the R-wave amplitude of the aVL lead should be taken into consideration. In contrast, ST depression in the aVL lead mostly represents exercise-induced myocardial ischemia of greater extent and severity.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:status
MEDLINE
pubmed:month
Feb
pubmed:issn
0047-1828
pubmed:author
pubmed:issnType
Print
pubmed:volume
63
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
104-10
pubmed:dateRevised
2008-11-21
pubmed:meshHeading
pubmed:year
1999
pubmed:articleTitle
Determinants of exercise-induced ST-segment displacement in the aVL lead in patients with known or suspected coronary artery disease.
pubmed:affiliation
Department of Medicine and Geriatrics, Kochi Medical School, Nankoku, Japan.
pubmed:publicationType
Journal Article