the neuromuscular block of myasthenia gravis has the characteristics of an antidepolarizing ( competitive block ) , similar to that produced by d-tubocurarine in normal subjects : progressive decrease in muscle action potentials evoked by two or more nerve stimuli , posttetanic facilitation , posttetanic fatigue , inhibition of the depolarizing action of acetylcholine ( ach ) or anticholinesterase compounds , and reversal of the block by ach or anticholinesterase compounds .
C0026896
myasthenia gravis
C0041345
tubocurarine