The prodromal manifestations of hepatic encephalopathy are

The prodromal phase of hepatic encephalopathy is characterized by mild personality changes and mental abnormalities, such as anxiety, tachycardia, agitation, apathy, sleep inversion, amnesia, etc. It may also show flapping wing tremors, and most electroencephalograms are normal. The clinical symptoms of this phase are not obvious and are very easy to ignore. The examinations that should be done include liver function examination, determination of blood ammonia, determination of plasma amino acids, auxiliary diagnosis by electroencephalogram evoked potential and critical visual flicker frequency. In terms of treatment, it can timely identify and remove the predisposing factors of hepatic encephalopathy attack, such as correcting electrolyte and acid-base balance disorder, stopping bleeding and eliminating intestinal accumulation, preventing and controlling infection and applying nutritional support treatment, or applying methods to reduce the production and absorption of ammonia-derived poisons in intestinal tract. For example, lactulose enema, oral antibiotics and so on.