to collect further evidence that epinephrine ( epi ) facilitates norepinephrine ( ne ) release in humans , the effect of a low-dose intravenous ( i.v . ) infusion of epi ( 20 ng kg-1/min ) on arterial levels of ne and on local production of ne in the forearm was studied both before and during isometric exercise , cold provocation , head-up tilting , and mental stress in 10 subjects with borderline to mild hypertension .
C0014563
epi
C0028351
ne