<prompt> Fastest acting non depolarizing neuromuscular blocker:-SuccinylcholineRapacuroniumRocuroniumMivacurium  <response>: Fastest acting neuromuscular blocker is succinylcholine Fastest nondepolarising neuromuscular blocker is rapacuronium but rapacuronium is clinically not in use. 2 nd fastest nondepolarising neuromuscular blocker is rocuronium. Mivacurium : shoest but not fastest. 