Shoest acting NDMR
Succinyl choline
Rapac uroni um
Atracurium
Pancuronium
Rapacuronium Among the given options Rapacuronium is the shoest ating drug. Rapacuronium has been withdrawn from the market because it produces intense bronchospasm in a significant number of patients. Alcuronium is a relatively sho acting muscle relaxant. Always remember this