Iowa, Agency, Ottumwa, Ottumwa Junction, Dahlonega, Cliffland, Bidwell, Willard, Yampa, Ashland, Eldon, Kirkville, Minterville, Dudley. The ER RN utilizes the nursing process, their skills in clinical judgment, critical thinking, prioritization, and time management to care for patients throughout the life span and with a variety of healthcare needs.