before anesthesia , 200 mg cimetidine decreased plasma epinephrine concentration ( e ) from 135 +/- 48 ( s.e . ) pg.ml-1 at baseline to 91 +/- 35 pg.ml-1 5 min after administration , but there were no significant changes in the norepinephrine concentration ( ne ) , slope of pressor response , systolic blood pressure ( sbp ) or heart rate ( hr ) .
C0014563
epinephrine
C0028351
norepinephrine