to study the interrelationship between myocardial norepinephrine content , left ventricular ( lv ) and right ventricular ( rv ) function , morphological changes , and plasma catecholamine concentrations , 20 patients with idiopathic dilated cardiomyopathy underwent endomyocardial biopsy and ventricular angiography .
C0027061
myocardial
C0189785
endomyocardial biopsy