epinephrine and norepinephrine increased from prearrest levels of 3.66 +/- 0.67 ( +/- se ) and 24.02 +/- 3.67 ng/ml to 66.67 +/- 9.65 and 74.00 +/- 9.91 ng/ml , respectively , at 4.5 minutes of cpr .
C0014563
epinephrine
C0028351
norepinephrine