Nikolas
Created page with "<section begin="orthopaedics" />A knee effusion is a fluid accumulation in the intra-articular space of the knee * May be serous, bloody, or purulent * Etiology ** Osteoarthritis ** Trauma ** Crystal arthritis (gout) ** Rheumatoid arthritis ** Septic arthritis (infection) ** Ligament injuries ** Meniscus injuries * Clinical features ** Swelling around and above patella ** Decreased ROM ** Patellar ballottement * Diagnosis ** Swift diagnosis of septic arthritis is importa..."