to determine left ventricular function during the stress of exercise and to evaluate the effects of propranolol on it in patients with hypertrophic cardiomyopathy ( hcm ) , the ecg-multigated blood pool cardiac scintigraphy was performed in 12 without ( hncm ) and 10 with ( hocm ) left ventricular outflow obstruction at rest and during bicycle ergometer loading .
C0007194
hypertrophic
C0018787
cardiac