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On This Weekend

first_imgDigicelSportsMax2 matches:Saturday, August 89 a.m: Bournmouth vs Aston Villa11 a.m: Chelsea vs Swansea6 p.m: Everton vs Watford9 p.m: Norwich vs Crystal PalaceSunday, August 97:30 a.m: Arsenal vs West Ham10 a.m: Stoke vs Liverpool2 p.m: Newcastle vs Southampton4 p.m: Leicester vs Sunderlandlast_img

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Synovial fluid analysis

first_imgDefinitionSynovial fluid analysis is a group of tests that examine joint (synovial) fluid. The tests help diagnose and treat joint-related problems.Alternative NamesJoint fluid analysis; Joint fluid aspirationHow the test is performedA sample of synovial fluid is needed for this test. Synovial fluid is normally a thick, straw-colored liquid found in small amounts in joints, bursae (fluid-filled sacs in the joints), and tendon sheaths.After the joint area is cleaned, the health care provider inserts a sterile needle through the skin and into the joint space. Fluid is then drawn throughthe needleinto a sterile syringe.The fluid sample is sent to the laboratory. The laboratory technician:Checks the samples color and clarityPlacesthe sampleunder a microscope, counts the number of red and white blood cells, and looks for crystals (in the case of gout) or bacteriaMeasures glucose, proteins, uric acid, and lactic dehydrogenase (LDH)Cultures the fluid to see if any bacteria growHow to prepare for the testNormally, no special preparation is needed. Tell your health care provider if you are taking a blood thinner, such as aspirin, warfarin (Coumadin) or clopidogrel (Plavix). These medicines can affect test results or your ability to take the test.How the test will feelSometimes, the health care provider will first inject numbing medicine into the skin with a small needle, which will sting. A larger needle is then used to draw out the synovial fluid.This test may also cause some pain if the tip of the needle touches bone. The procedure usually lasts less than 1 to 2 minutes.advertisementWhy the test is performedThe test can help diagnose the cause of pain, redness, or swelling in joints.Sometimes, removing the fluid can also help relieve joint pain.This test may be used when your doctor suspects:Bleeding in the joint after a joint injuryGout and other types of arthritisInfection in a jointWhat abnormal results meanAbnormal joint fluid may look cloudy or abnormally thick.Blood in the joint fluid may be a sign of injury inside the joint or a body-wide bleeding problem. An excess amount of normal synovial fluid can also be a sign of osteoarthritis or cartilage injury.RisksInfection of the joint — unusual but more common with repeated aspirationsBleeding into the joint spaceConsiderationsIce or cold packs may be applied to the joint for 24 to 36 hours after the test to reduce the swelling and joint pain. Depending on the exact problem, you can probably resume your normal activities after the procedure. Talk to your health care provider to determine what activity is most appropriate for you.ReferencesEl-Gabalawy HS. Synovial fluid analysis, synovial biopsy, and synovial pathology. In: Firestein GS, Budd RC, Gabriel SE, et al., eds. Kelly’s Textbook of Rheumotology. 9th ed. Philadelphia, Pa.: Elsevier Saunders; 2012:chap 53.Parrillo SJ, Marrison DS, Panacek EA. Arthrocentesis. In: Roberts JR, Hedges JR, eds. Clinical Procedures in Emergency Medicine. 5th ed. Philadelphia, Pa.: Elsevier Saunders; 2009:chap 53.Review Date:4/16/2013Reviewed By:C. Benjamin Ma, MD, Assistant Professor, Chief, Sports Medicine and Shoulder Service, UCSF Department of Orthopaedic Surgery. Also reviewed by A.D.A.M. Health Solutions, Ebix, Inc., Editorial Team: David Zieve, MD, MHA, Bethanne Black, Stephanie Slon, and Nissi Wang.last_img read more

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