Emergency Medicine is a medical specialty- a field of practice based on the knowledge and skills required for the prevention, diagnosis and management of acute and urgent aspects of illness and injury affecting patients of all age groups with a full spectrum of undifferentiated physical and behavioral disorders. It further encompasses an understanding of the development of pre-hospital and in-hospital emergency medical systems and the skills necessary for this development.
The field of emergency medicine encompasses care involving the acute care of internal medical and surgical conditions. In many modern emergency departments, emergency physicians are tasked with seeing a large number of patients, treating their illnesses and arranging for disposition,either admitting them to the hospital or discharging them after treatment as necessary.