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Gout
How Is Gout Diagnosed?
Gout may be difficult for doctors to diagnose because the symptoms may be vague, and they often mimic other conditions. Although most people with gout have hyperuricemia at some time during the course of their disease, it may not be present during an acute attack. In addition, having hyperuricemia alone does not mean that a person will get gout. In fact, most people with hyperuricemia do not develop the disease.
To confirm a diagnosis of gout, a doctor may insert a needle into an inflamed joint and draw a sample of synovial fluid, the substance that lubricates a joint. A laboratory technician places some of the fluid on a slide and looks for monosodium urate crystals under a microscope. Their absence, however, does not completely rule out the diagnosis. The doctor also may find it helpful to examine chalky, sodium urate deposits (tophi) around joints to diagnose gout. Gout attacks may mimic joint infections, and a doctor who suspects a joint infection (rather than gout) may check for the presence of bacteria.
Signs and Symptoms of Gout
• Hyperuricemia
• Presence of uric acid crystals in joint fluid
• More than one attack of acute arthritis
• Arthritis that develops in 1 day, producing a swollen, red, and warm joint
• Attack of arthritis in only one joint, usually the toe, ankle, or knee
What Causes Gout?Who Is Likely To Develop Gout?
How Is Gout Treated?What Can People With Gout Do To Stay Healthy?
