Ephedrine

synthetic non-catecholamine

direct and indirect action

causes release of endogenous catecholemines

^ HR, ^ B/P

comes in 25 mg/ml  or 50 mg/ml

5 mg/ml

5 - 20 mg 

start with 5 mg ( 1 mL)

with each use of Ephedrine, norepinephrine is depleted so a larger dose is needed for the next use