“…Differential diagnosis of acute tetraparesis includes paraplegia caused by trauma, Guillain-Barré syndrome, ischemia, myasthenia gravis, inflammation, tumor, dissociative paralysis and periodic paralysis [1]. The heterogeneous group of muscle diseases known as periodic paralyses (PP) is characterized by episodic, sudden onset, flaccid paralysis of a single, several or all skeletal muscles with usually complete recovery between the attacks.…”