IV medication can have rapid affects on the patient due to the direct access to the circulatory system. Once an IV therapy is under way the Enrolled Nurse should closely monitor the patient within the first 15 minutes for adverse reactions to the IV solutions’ or medications. Monitoring the patient can be completed by taking the patient’s blood pressure, temperature, pulse rate, respiratory rate and oxygen saturation levels. Once the IV fusion has been established the Enrolled Nurse should also monitor the insertion site and surrounding tissue plus the rate of the infusion for possible signs of infiltration and extravasation. For patient receiving hydration therapy over a long period of time close monitoring of the patient for fluid overload