Pathophysiology:
-refers to central nervous system manifestations of liver failure
-ealry signs include asterisks, memory loss, speech impairment, and personality changes such as euphoria, irritability, anxiety, and lack of concern with self and personal appearance
-progression to decerebrate rigidity, coma, and death
-caused by the accumulation of neurotoxins, such as ammonia, appear in the blood due to the liver having lost its capacity to detoxify