in ptca candidates monitoring regional contractile performance by mono and two-dimensional echocardiography during dypiridamole infusion has proven to be a sensitive and specific test for ( 1 ) assessing the haemodynamic significance of a coronary stenosis in patients with single-vessel disease , ( 2 ) identifying the 'culprit ' lesion in patients with multiple-vessel disease .
C2936173
ptca
C0005847
vessel