Several things....: 'swelling above the patella' needs to be seen by an ors. A true effusion or hemarthrosis will cause supra patellar swelling ( intraarticular).Meniscus tears, arthritis are common causes. Traumatic causes( injuries) include acl tears and patellar dislocations... Many other conditions( gout, for example) can cause large knee effusions. See a board certified ors. Best of luck!
Answered 2/24/2014
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