Hyperkalaemic paralysis, neuropathy and persistent motor neuron discharges at rest in Addison's disease.

Abstract
A 50 yr old man with Addison''s disease suffered 2 episodes of hyperkalemic paralysis, with delayed muscular relaxation and persistent motor neuron discharges at rest resembling the Isaacs-Mertens syndrome. Sural nerve biopsy shows a demyelinating neuropathy. The symptoms ceased after corticosteroid therapy.