ASSESSMENT OF LEFT VENTRICULAR SYSTOLIC FUNCTION IN PATIENTS WITH MULTI-VESSEL CORONARY ARTERY DISEASE AND NORMAL WALL MOTION BY TWO-DIMENSIONAL SPECKLE TRACKING IMAGING
ASSESSMENT OF LEFT VENTRICULAR SYSTOLIC FUNCTION IN PATIENTS WITH MULTI-VESSEL CORONARY ARTERY DISEASE AND NORMAL WALL MOTION BY TWO-DIMENSIONAL SPECKLE TRACKING IMAGING