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How is a fluid removal done to diagnose knee pain?

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The knee and all bursae of the knee are filled with fluid. If your symptoms suggest infection or crystalline arthritis, such as gout, your physician may remove fluid, with a needle, from the knee. This fluid will then be analyzed to better clarify the diagnosis. Crystals, which suggest crystalline arthritis, often can be seen under the microscope. Infection may also be detected under a microscope by finding bacteria and pus in the fluid.

From: Knee Pain Overview WebMD Medical Reference

SOURCES: 

Bauman A. Runner's World. 2000. Hart L. "Knee Pain." Woman's Day. 2001. Lally S. "End Knee Pain Forever." Men's Health. 1990. Levy AM, Fuerst ML. . New York: John Wiley & Sons; 1993. Roberts DM, Stallard TC.   . Feb 2000. Tintinalli JE, Kellen GD, Staphczynksi JS. . McGraw-Hill; 2000.




Sports Injury Handbook: Professional Advice for Amateur AthletesEmerg Med Clin North AmEmergency Medicine: A Comprehensive Study Guide

Reviewed by Tyler Wheeler on May 16, 2019

SOURCES: 

Bauman A. Runner's World. 2000. Hart L. "Knee Pain." Woman's Day. 2001. Lally S. "End Knee Pain Forever." Men's Health. 1990. Levy AM, Fuerst ML. . New York: John Wiley & Sons; 1993. Roberts DM, Stallard TC.   . Feb 2000. Tintinalli JE, Kellen GD, Staphczynksi JS. . McGraw-Hill; 2000.




Sports Injury Handbook: Professional Advice for Amateur AthletesEmerg Med Clin North AmEmergency Medicine: A Comprehensive Study Guide

Reviewed by Tyler Wheeler on May 16, 2019

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How is arthroscopy used to diagnose knee pain?

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