Black is a 63-year-old woman who underwent a total knee replacement. Nurse Hope is a nursing student caring for Mrs. Black on her home health clinical rotation.
Two weeks after surgery, Mrs. Black complains to Nurse Hope that she has increased pain in her knee, which causes her to stay in bed and not walk. She also had a low-grade fever.
Nurse Hope observes/assesses the incision and notes that it is red, swollen, and warm.
1) What is important to note here