Anaesthesia Among the local anaesthetics, the one that is associated with vasoconstriction is lidocaine which is used with Adrenaline in a concentration of : A 1:20 B 0.180555556 C 1.430555556 D 1:200000 💡 Explanation Among the local anaesthetics, the one that is associated with vasoconstriction is lidocaine which is used with Adrenaline in a concentration of : ✓ Correct Answer: D. 1:200000