acute confusional state

(redirected from Acute Brain Syndrome)

acute confusional state (ACS)

a form of delirium caused by interference with the metabolic or other biochemical processes essential for normal brain functioning. Symptoms may include disturbances in cognition and levels of awareness, short-term memory deficit, retrograde and anterograde amnesia, and disturbances in orientation, accompanied by restlessness, apprehension, irritability, and apathy. The condition may be associated with an acute physiological state, delirium, toxic psychosis, or acute brain syndrome which constitutes a medical emergency.

Acute Confusional State

A state of severe confusion or an abrupt change in mental status, due to either psychiatric or organic disease.
Clinical findings Lethargy, agitation, confusion, disorientation, delirium.

acute confusional state

Acute brain syndrome Neurology A state of severe confusion or an abrupt change in mental status, due either to psychiatric or organic disease Clinical Lethargy, agitation, confusion, disorientation, delirium. Cf Dementia.
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It can be considered to be an acute brain syndrome, associated with the height of pyrexia, and it clears quickly after treatment is started.

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