Autonomic Response Patterns During Intravenous Infusion of Epinephrine and Nor-epinephrine

11 male college students

Intravenous infusion of epinephrine given in three 5-minute infusion periods (2 at 20 drops per min and 1 at 40 drops per min), preceded and followed by infusion of saline solution

Intravenous infusion of nor-epinephrine given in a separate experimental session with the same dosing schedule (three 5-minute infusion periods, 2 at 20 drops per min and 1 at 40 drops per min, preceded and followed by saline)

Maximum responses in diastolic blood pressure, heart rate, finger pulse volume, finger temperature, face temperature, and heart stroke-volumesurrogate