عنوان البحث(Papers / Research Title)
Exercise induced ST segment elevation in aVR more than 2 mm
الناشر \ المحرر \ الكاتب (Author / Editor / Publisher)
علاء حسين عباس الحلي
Citation Information
علاء,حسين,عباس,الحلي ,Exercise induced ST segment elevation in aVR more than 2 mm , Time 6/20/2011 10:13:31 AM : كلية الطب
وصف الابستركت (Abstract)
Exercise induced ST segment elevation in aVR more than 2 mm
الوصف الكامل (Full Abstract)
Exercise induced ST segment elevation in aVR more than 2 mmto differentiate between left main and three vessel disease inpatients with Duke score £ -11
Alaa Hussain Abbase Haider
College of Medicine , University of Babylon, Hilla, Iraq.
Abstract
Back ground : :
This study evaluated the ability of exercise induced ST segment elevation in aVR in patients with Duke treadmill score £ -11 to predict left main stem disease and three vessel disease and to investigate the ability of ST segment elevation in aVR more than 2 mm to differentiate between left main stem and three vessel disease.
Methods :
66 patients with Duke score £ -11 were divided into three groups. group 1 included 16 patients with no ST elevation in aVR, group 2 included 21 patients with ST elevation less than 2 mm and group 3 included 29 patients with ST elevation more than 2 mm, coronary angiography was done and results were correlated with ST elevation in aVR.
Results :
70% of patients with ST segment elevation in aVR had either left main stem or 3 vessel disease. Exercise induced ST elevation in aVR had sensitivity of 95% and specificity of 32% in predicting left main disease, while exercise induced ST elevation in aVR more than 2 mm had sensitivity of 89% and specificity 74% in predicting left main disease.
Conclusion :
Eercise induced ST segment elevation in aVR in patients with Duke score £-11 is sensitive but not specific for both left main and three vessel disease while ST segment elevation in aVR of more than 2 mm is both sensitive and specific for left main but not for three vessel disease.
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