What are cardiovascular actions of NE non selective (a1,a2,b1)?

Vasoconstriction: Norepinephrine causes a rise in peripheral resistance due to intense vasoconstriction of most vascular beds, including the kidney (α1 effect). Both systolic and diastolic blood pressures increase Note: Norepinephrine causes greater vasoconstriction than does epinephrine, because it does not induce compensatory vasodilation via β2 receptors on blood vessels supplying skeletal muscles