thirty patients with stable exertional angina undergoing percutaneous transluminal coronary angioplasty of an isolated obstructive lesion of the proximal left anterior descending artery were prospectively evaluated to investigate the relation between angina induced by balloon inflation and the quantity and severity of myocardial ischemia as determined by electrocardiographic ( ecg ) monitoring and by echocardiographic assessment of regional and global left ventricular wall motion .
C0340288
stable
C0002962
angina