What is the role of lab testing in the diagnosis of invasive pneumococcal infections?

Updated: Jun 08, 2020
  • Author: Eduardo Sanchez, MD; Chief Editor: John L Brusch, MD, FACP  more...
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The WBC count, neutrophil level, CRP level, and ESR are often elevated in patients with bone, joint, soft tissue, cardiac, and other invasive infections. Specimens of appropriate material may yield positive Gram stain findings and/or culture growth. Blood cultures are frequently positive and should be obtained when possible. In females with peritonitis, vaginal swab cultures should be obtained in addition to blood and peritoneal cultures.

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