IDSA — 2024 Guideline Update on Risk Assessment, Diagnostic Imaging, and Microbiological Evaluation of Complicated Intra-abdominal Infections

For complicated intra-abdominal infection, use syndrome-specific imaging and risk assessment; obtain blood cultures selectively when systemic instability or resistant-pathogen risk makes results actionable, and obtain intra-abdominal cultures when source-control procedures are performed for complicated infection.