Observing and recording patients' behavior . Coordinating with physicians and other healthcare professionals for creating and evaluating customized care plans . In order to provide emotional and psychological support to the patients and their families, RNs create a harmonious environment . Diagnosing the disease by analyzing the patient's symptoms and taking required actions for his/her recovery . Maintaining reports of patient's medical histories, and monitoring changes in their condition . Carrying out the requisite treatments and medications