“…Overall, it seems that severe acute neuromuscular junction transmission deficit may present with spontaneous EMG activity, mimicking acute neurogenic or myopathic processes. Given the extreme rarity of this presentation, but also the possible coexistence of MG with an inflammatory myopathy [ [10] , [11] , [12] , [13] , [14] , [15] , [16] , [17] , [18] , [19] , [20] ], eventually precise diagnosis can be probably only established on histological grounds. However, appreciation and increased suspicion of these findings is mandatory, in order to avoid dramatic delays in the management of a myasthenic crisis.…”