<prompt> Shoest acting non depolarizing neuromuscular blocker:-AtracuriumSuccinylcholineVecuroniumMivacurium  <response>: Fastest onset and shoest duration neuromuscular blocker succinylcholine onset 30-45 sec duration 5-6 minutes Fastest onset non depolarizing rocuronium onset 75-90 sec. Rapacuronium is fastest acting bit not in clinical use. Rest all neuromuscular blockers onset of action 3-5 minutes Shoest duration non depolarizing - mivacurium 