الفهرس 
IntroductionOnly 14 pages are availabe for public view
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Abstract
Coronary artery disease (CAD) is the most prevalent manifestation of cardiovascular diseases, and it is associated with high mortality and morbidity (WHO). Registry data consistently demonstrated that the incidence of non-ST segment elevation myocardial infarction (NSTEMI) has increased, and it is more frequent than ST elevation myocardial infarction (STEMI). However, the routine use of these advanced imaging technologies in daily clinical practice is constrained by availability, costs, and logistics. Acute coronary occlusion induces left ventricular (LV) systolic dysfunction, which is quantified using echocardiography and correlates with infarct size, and this method may be applicable during the very early development phase of MI. Strain echocardiography is an accurate and validated measure of regional systolic LV function that exhibits an excellent ability to differentiate between different levels of infarct size. Strain echocardiography was recently validated as a prognostic indicator We performed this study to evaluate whether measurement of peak longitudinal systolic strain values derived by 2-D STE could predict obstructive CAD in patient with NSTEMI confirmed by coronary angiography. The results expand our understanding of the association between PLSS and CAD and supporting the clinical applications of 2D STE in evaluation of indication of coronary intervention.