摘要: This chapter reviews the available literature on possible roles for standard EEG in psychiatric emergencies. As of writing this book, hardly plays any role diagnostic work-up or management patients emergencies despite a significant as reviewed below. The emphasis chapter, rest is to highlight gaps our knowledge that are necessary support an increased We begin with acute catatonia and then discuss conditions where it difficult assess mental status end some discussion ambulatory nonconvulsive epilepticus (ANCSE).