Final answer:
The clinical sign that requires immediate notification of the healthcare provider is increased redness, swelling, and pain after knee replacement surgery.
Step-by-step explanation:
The clinical sign that requires immediate notification of the healthcare provider is an increased redness, swelling, and pain after knee replacement surgery.
After knee replacement surgery, it is important to monitor for any signs of infection or complications. Increased redness, swelling, and pain at the surgical site can be indicative of infection, and prompt notification of the healthcare provider is necessary to prevent further complications. Other signs that may require immediate notification include fever, warmth to the touch, drainage or discharge from the surgical site, or difficulty moving the joint.