What is the imaging modality of choice to exclude an intra-abdominal abscess or a retroperitoneal source of infection in the workup of sepsis/septic shock?

Updated: Oct 07, 2020
  • Author: Andre Kalil, MD, MPH; Chief Editor: Michael R Pinsky, MD, CM, Dr(HC), FCCP, FAPS, MCCM  more...
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Answer

CT is the imaging modality of choice for excluding an intra-abdominal abscess or a retroperitoneal source of infection. Obesity or the presence of excessive intestinal gas markedly interferes with abdominal imaging by ultrasonography; therefore, CT is preferred in this setting.


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