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Electromyogr Clin Neurophysiol. 1992 Sep;32(9):419-23.

Chronic arsenic poisoning masquerading as Landry-Guillain-Barré syndrome.

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1
University of Cincinnati, Ohio 45267.

Abstract

Acute arsenic intoxication may present as Landry-Guillain-Barré syndrome because of similarities in clinical symptoms involving the gastrointestinal tract, weakness, and sensory symptoms. Electrodiagnostic findings may be similar with demyelinating changes predominating early in both diseases. A case is presented of repeated arsenic poisoning over two years misdiagnosed as Landry-Guillain-Barré syndrome. Proximal F-loop latency (M-wave latency at wrist + F-wave latency at wrist - 2 M-wave latency at axilla) helped to establish the correct diagnosis. Serial electrodiagnostic studies were done documenting the evolution of chronic repeated arsenic poisoning from a picture showing demyelination to one with severe axonal loss.

PMID:
1396293
[Indexed for MEDLINE]

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