to evaluate myocardial catecholamine balance in heart failure , systemic hemodynamics , coronary sinus blood flow , and arterial and coronary sinus venous norepinephrine ( ne ) and epinephrine ( e ) concentrations were determined in 30 patients with chronic left ventricular failure ( chf ) , and in 25 patients with angina pectoris ( ap ) but without heart failure .
C0028351
norepinephrine
C0014563
epinephrine