Sickle cell anemia.

Sickle cell anemia. A client with sickle cell anemia is experiencing a painful episode (vaso -occlusion crisis) and has a patient-controlled analgesia (PCA) pump. The current pain rating is 5 on a scale of 1 to 10 at the right elbow. The nurse observes that the pump is ‘ locked out’ for another 10 minutes. Which action would the nurse implement?