Laudanosine is a metabolite of -: (A) Mivacurium, (B) Atracurium, (C) Pancuronium, (D) Gantacurium
Answer is B. Ans. is 'b' i.e., Atracurium Atracurium* It is a bisquarternary competitive blocker, 4 times less potent than pancuronium.* Unique feature is its inactivation in plasma by spontaneous non - enzymatic degradation called as Hoffman elimination.Following degradation it produces a metabolite - laudanosine.* Metabolite Laudanosine may induce seizures in some patients.