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Mental Illness(es)

Some patients arrive at an emergency department for a complaint of mental illness. In many jurisdictions (including many U.S. states), patients who appear to be mentally ill and to present a danger to themselves or others may be brought against their will to an emergency department by law enforcement officers for psychiatric examination. The emergency department conducts medical clearance rather than treats acute behavioral disorders. From the emergency department, patients with significant mental illness will be transferred to a psychiatric unit (in many cases involuntarily). In recent years, EmPATH units have been developed to relieve pressure on hospital emergency departments and improve the treatment of psychiatric emergencies.

Emergency departments are often the first point of contact with healthcare for people who self-harm. As such they are crucial in supporting them and can play a role in preventing suicide. At the same time, according to a study conducted in England, people who self-harm often experience that they do not receive meaningful care at the emergency department. Higher ambient temperature may also increase mental illness related emergency department presentations, particularly in females.