Emergency Nurses’ Association (ENA), a national professional organization of emergency department nurses that defines and promotes emergency nursing practice. The association, which was founded in 1970, has written and implemented the Standards of Emergency Nursing Practice. The association offers a certification examination and awards the designation Certified Emergency Nurse (CEN) to nurses who successfully complete it. ENA publishes the Journal of Emergency Nursing and Continuing Education Core Curriculum of Emergency Nursing Practice. The association, which has headquarters in Chicago, works closely with its members and with related associations to define practice and to prepare professionals to deliver emergency care.