[Shock in the emergency department].

Early recognition and management of shock decreases morbidity and mortality. The recognition of chock and identification of its causes is based on an integration of the clinical context, physical findings, history and bedside tests. Ultrasound plays an important role in elucidating the cause of chock in the emergency department (ED). This article presents a systematic approach to the patient presenting in shock to the ED and reviews the initial management of different causes of chock.