arterial blood samples were obtained for epinephrine , norepinephrine and cortisol assay and cardiovascular dynamics were recorded prior to anaesthetic induction , 5 min after tracheal intubation , immediately prior to and five min after incision , ten min after maximal sternal spread , just prior to beginning and after 30 and 60 min of bypass and at the end of operation .
C0014563
epinephrine
C0028351
norepinephrine