Acute changes in mental status represent a broad collection of symptoms used to describe
disorders in mentation and level of arousal, including the more narrowly defined diagnoses
of delirium and psychosis. A wide range of precipitating factors may be responsible for
symptom onset including infection, intoxication, and metabolic disorders. Neurologic causes
that may be detected on neuroimaging include stroke, traumatic brain injury, nonconvulsive
seizure, central nervous system infection, tumors, hydrocephalus, and inflammatory …