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February 2017

Interpreting Periodic and Rhythmic Electroencephalographic Patterns in Critically Ill Patients

Author Affiliations
  • 1Division of Epilepsy, The Neurological Institute, Columbia University Medical Center, New York, New York
JAMA Neurol. 2017;74(2):150-151. doi:10.1001/jamaneurol.2016.5033

Continuous electroencephalographic (cEEG) monitoring is becoming an increasingly valuable tool in detecting seizures, especially nonconvulsive seizures and status epilepticus in critically ill patients. Studies have shown that seizures in this patient population are seen in up to 20% of recordings1 with up to 90% of the seizures being subclinical.1,2 Furthermore, periodic and rhythmic patterns in critically ill patients have been associated with seizures, raising the question of whether these patterns can independently contribute to neurological decline.3-6

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