the relationship between adrenal ( preganglionic ) sympathetic nerve activity ( adsna ) , cardiac sympathetic nerve activity ( csna ) , and arterial catecholamines , i.e. , epinephrine ( epi ) and norepinephrine ( ne ) , were analyzed during 200 s of occlusion of left anterior descending coronary artery in anesthetized cats .
C0007412
catecholamines
C0028351
norepinephrine