You are reviewing the medical record of the patient rehabilitating from knee surgery and note that a recent entry uses the term effusion. Which of the following descriptions most appropriate defines this term?
- An increase in fluid volume
- An increase in fluid volume within the joint capsule
- An increase in fluid volume in the soft tissue external to the joint
- An increase in fluid volume in the joint capsule and the soft tissue external to the joint
The solution will be posted in a few days