From Song et al 2019: "Acute hepatic encephalopathy (AHE) due to acute liver failure is a common form of delirium, a state of confusion, impaired
attention, and decreased arousal. The electroencephalogram (EEG) in AHE often exhibits a striking abnormal pattern of brain
activity, which epileptiform discharges repeat in a regular repeating pattern. This pattern is known as generalized periodic
discharges, or triphasic-waves (TPWs)."
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