What is the role of paracentesis in the diagnosis of peritonitis and abdominal sepsis?

Updated: Jul 23, 2019
  • Author: Brian J Daley, MD, MBA, FACS, FCCP, CNSC; Chief Editor: Praveen K Roy, MD, AGAF  more...
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Answer

Diagnostic paracentesis should be performed in all patients who do not have an indwelling peritoneal catheter and are suspected of having SBP. In peritoneal dialysis patients with a peritoneal catheter, fluid should be withdrawn using sterile technique. Ultrasonography may aid paracentesis if ascites is minimally detectable or questionable.


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