Abstract
Motor neuron syndromes including typical ALS develop very rarely after electrotrauma, with possible causality discussed but not confirmed. We report on a 44-year-old male who developed clinically definite ALS by the revised El Escorial criteria with onset weeks after mild electric injury. He presented with asymmetric upper limb amyotrophy and weakness beginning around the entry point of the current. Over 1 year he developed generalized wasting, weakness and fasciculations, including the bulbar and thoracic muscles, with prominent spasticity and pyramidal tract signs. Electrodiagnostic studies confirmed widespread denervation, very unstable neurogenic motor units in the bulbar, cervical, thoracic and lumbosacral segments with normal motor velocities and normal sensory parameters. This is a well-documented case of fast-progressive ALS that seems related to electric injury.
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