Which physical findings are characteristic of spontaneous bacterial peritonitis (SBP)?

Updated: Nov 26, 2018
  • Author: Thomas E Green, DO, MPH, MMM, CPE, FACEP, FACOEP; Chief Editor: Jeter (Jay) Pritchard Taylor, III, MD  more...
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Abdominal tenderness is found in more than 50% of patients with spontaneous bacterial peritonitis. Findings can range from mild tenderness to overt rebound and guarding. In some cases, the abdominal examination findings mimic an acute intra-abdominal catastrophe requiring emergency surgical evaluation. Physical examination may also disclose hypotension (5-14% of patients) or signs of hepatic failure such as jaundice and angiomata.

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