An emergency department (ED), conjointly referred to as AN accident & emergency department (A&E), ER (ER), emergency ward (EW) or casualty department, may be a medical treatment facility specializing in medical specialty, the acute care of patients WHO gift while not previous appointment; either by their own suggests that or by that of AN motorcar. The emergency department is sometimes found in an exceedingly hospital or different medical care center. Due to the unplanned nature of patient group action, the department should give initial treatment for a broad spectrum of sicknesses and injuries, a number of which can be grave and need immediate attention. In some countries, emergency departments became necessary entry points for those while not different suggests that of access to medical aid. The emergency departments of most hospitals operate twenty four hours on a daily basis, though staffing levels is also varied in an endeavor to replicate patient volume. Accident services were already provided by compensation plans, railway firms, and municipalities in Europe and also the us by the late mid-nineteenth century, however the primary specialized trauma care center within the world was opened in 1911 within the us at the University of Louisville Hospital in Louisville, Kentucky, and was developed by sawbones Arnold Griswold throughout the Nineteen Thirties. Griswold conjointly equipped police and hearth vehicles with medical provides and trained officers to provide emergency care whereas on the way to the hospital.
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