The nurse is receiving report on a client with chemical burns over 70% of the body. The outgoing nurse states that the client’s pain is a 7/10. The client has been averaging 80 ml/hr out of urine output and receiving 125 ml/hr 0.9% normal saline into a central venous catheter. The serum sodium is 133, K is 3.4, and Mag is 1.9. Vital signs are stable. The client is receiving antibiotics and is on a regular diet. What is the nurse’s primary concern?