Electroencephalography of encephalopathy in patients with endocrine and metabolic disorders

Research output: Contribution to journalReview article

Abstract

Patients with acute alteration in mental status from encephalopathy because of underlying metabolic-toxic or endocrine abnormalities are frequently seen in the acute hospital setting. A rapid diagnosis and correction of the underlying cause is essential as a prolonged state of encephalopathy portends a poor outcome. Correct diagnosis and management remain challenging because several encephalopathies may present similarly, and further laboratory, imaging, or other testing may not always reveal the underlying cause. EEG provides rapid additional information on the encephalopathic patient. It may help establish the diagnosis and is indispensable for identifying nonconvulsive status epilepticus, an important possible complication in this context. The EEG may assist the clinician in gauging the severity of brain dysfunction and may aid in predicting outcome. This review summarizes the current knowledge on EEG findings in selected metabolic and endocrine causes of encephalopathy and highlights distinct EEG features associated with particular etiologies.

Original languageEnglish (US)
Pages (from-to)505-516
Number of pages12
JournalJournal of Clinical Neurophysiology
Volume30
Issue number5
DOIs
StatePublished - Oct 1 2013

Keywords

  • Altered mental status
  • Delirium
  • EEG
  • Encephalopathy
  • Endocrine disorders

ASJC Scopus subject areas

  • Physiology
  • Neurology
  • Clinical Neurology
  • Physiology (medical)

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