Action of 20mcg/kg/min dopamine is: (A) Renal vasodilatation, (B) Vasoconstriction, (C) Increased blood pressure, (D) Increased myocardiac contractility
Answer is B. Less than 2mcg/kg/min: Renal VD 2-10mcg/kg/min: B1 stimulation More than 10: alpha stimulation -VC