Prospective study for a 12 month period in Paris (France) and London (UK).
Inclusion criteria :
* seizure within 24h of attendance to an Emergency department (ED)
* or seizure in the ED
Exclusion Criterie :
* pregnancy
* prisoneer
Primary endpoint :
\- recurrence of seizure, hospitalisation more than 24 hours or death within seven days
Secondary endpoint :
* Hospital free days at day 7 and day 28
* Death, ICU admission, or neurosurgical intervention at day 7 and day 28
* Return visit to the ED or re admission at day 7 and day 28
data collection:
* demographics
* past medical history, medication
* vital signs (Heart rate, temperature, Pulse oxymetry, blood pressure, GCS) on arrival
* Pathology (White cell count, Sodium, Calcium, Glucose, lactate)
* Protein S100B and Copeptin
* Seizure characteristics (Witnessed, simple, partial, complex, provoked, acute symptomatic, idiopathic)
* Discharge plan, outcomes
Follow up at day 7 and day 28, hospital visit or phone call
