Situation: The patient underwent right knee replacement surgery 1 year ago. 2 weeks ago the patient felt knee pain, the wound opened, and began to secrete, but the patient did not have a fever.
Picture of the right knee:
1. You are a doctor (family doctor, cardiologist, etc.), but not an orthopaedic surgeon. What is your next step: (select one -2p.)
Select one of the following: