By Harriet Bascombe, freelance health issue writer What Does an Emergency Room Nurse Do? Although all nurses have important jobs, an emergency room nurse has a much higher level of responsibility than many other nurses do. Since many patients who come to the emergency room are suffering from life-threatening illnesses or injuries, it is important that an emergency room nurse can work quickly and accurately. Emergency room nurses work directly under physicians and are in charge of making important decisions, such as which patients should be treated first and which injuries are the first priority. They are also in charge of cleaning and sterilizing equipment, documenting important patient information and…