Core Principles of Acute Neurology is a series of short volumes that handles major topics not found in sufficient detail elsewhere and provides useful context. Identifying Neuroemergencies provides practical information how to best manage and triage patients in the first hour of admission in the emergency department. Physicians consider a neurologic emergency when the patient has clearly worsened and their neurologic signs have changed. Correct decisions are imperative: any type of neurocritical illness demands immediate treatment in the emergency department. Neurologist can assist further with the successful triage of the neurologic emergency and this volume in the Core Principles of Acute Neurology will serve as a handy, concise, reference to both the neurologist and the emergency physician.