Posterior Reversible Encephalopathy Syndrome: A Narrative Review for Emergency Clinicians.

Background: Posterior reversible encephalopathy syndrome (PRES) is a clinicoradiologic disorder characterized by seizures, headache, altered mental status, and visual disturbances, and is often associated with acute hypertension.

Objective: This narrative review provides a focused description of the presentation, diagnostic evaluation, and management of PRES.

Discussion: PRES is associated with a variety of factors, including acute rise in blood pressure, renal disease, preeclampsia/eclampsia, and immunosuppressive therapy.