Varchenko, N.

perfusion segment injection patient artery contrast intensity contrast echocardiography perfusion maps echocardiography interventricular septum intensity increase ultrasound image occlusion echocontrast increase opacification lad occlusion cv ultrasound interventricular septum ventricle collateral analysis collateral flow rca injection imaging apical views figure assessment echocontrast injection study cate fj echocontrast injections rca occlusion lv myocardium perfusion map reconstruction technique acquisition angioplasty procedure apical cardiol myocardium peak intensities curve lv segments perfusion mapping recanalization contrast opacification perfusion imaging interventional treatment peak intensity wall motion index number time-intensity curves intensity units group aiazian agent intervention color supply method time-intensity interventional result treatment time intervals microvascular integrity figure 3 blood parameter anterolateral walls time-intensity curve laser angioplasty 5 ius percutaneous transluminal