title: [Syndrome of constant muscle fiber activity (Isaacs syndrome)].
abstract: Two cases with expressed signs of a permanent muscular tension in the extremities with fasciculation (the Isaacs syndrome) and difficulties in self-service are described. In both cases the diagnosis was verified by typical EEG changes and a good effect from the use of a diphenylhydantoin or finlepsin.
mesh_terms: D000293:Adolescent; D000328:Adult; D003937:Diagnosis, Differential; D004576:Electromyography; D005260:Female; D006801:Humans; D009132:Muscles / Q000503:physiopathology; D009222:Myotonia / Q000175:diagnosis; D009468:Neuromuscular Diseases / Q000175:diagnosis* / Q000503:physiopathology; D013577:Syndrome
vernacular_title: Sindrom postoiannoĭ aktivnosti myshechnykh volokon (sindrom Isaaksa).