What subtle signs may represent seizure activity as the cause of AMS?
Suspect seizure if the patient is dazed or confused and exhibits staring, swallowing, eye blinking, lip quivering, nystagmus, and automatisms (motor actions performed without conscious intent). The degree of neurologic impairment can fluctuate over time.
Benson PJ, Klein EJ: New-onset absence status epilepsy presenting as altered mental status in a pediatric patient. Ann Emerg Med 2001;37:402-405.