Age

18–any

Sex

ALL

Healthy volunteers

Accepted

age \>= 18 years
Posterior Reversible Encephalopathy Syndrome defined as:
* combination of consciousness impairment, seizure activity, headaches, visual abnormalities, nausea/vomiting, and focal neurological signs AND
* cerebral imaging abnormalities involving the white matter (brain CT scan hypodensities AND/OR Brain MRI hypoT1, hyper T2 FLAIR)
intensive care unit admission

Posterior Reversible Encephalopathy Syndrome in the Critically Ill Patients