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Unformatted text preview: knee>hip> shoulder = ankle = wrist associated physical findings looking for a potential source of infection or portals of entry (Remember the sty from case 1?) 8.3. Radiography plain radiographs might be useful CT scan and MRI are very useful for defining joints and complex surrounding structures Ex. Tuberculous septic arthritis of the hip extensive destruction of the femoral head and neck (Protrusio Acetabula) due to bony resorption, soft tissue abscess. 8.4. Laboratory examination Blood culture detection of bacteremia in septic arthritis varies (10-50%) synovial fluid examination o elevated WBC count usually >50,000 o Gram stain generally positive in 1/3 of cases o cultures positive in 25-80%...
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- Fall '10