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Infective Endocarditis Diagnosis (Duke-ISCVID 2023)

Infective Endocarditis Diagnosis (Duke-ISCVID 2023): Suspected IE → Major Criteria (2023) → 2023 Key Updates → Classification → DEFINITE IE.

Interactive Decision Tree

Mini Map

Algorithm Steps

  1. Start

    Suspected IE

    Fever + risk factors/clinical suspicion

    1. Action

      Major Criteria (2023)

      Evidence of IE

      • 1. Typical organisms (2+ BCx)
      • 2. Imaging: Echo/CT/PET
      • 3. Surgical: Intraoperative (NEW)
      1. Warning

        2023 Key Updates

        From original Duke

        • Expanded typical organisms
        • PET-CT and Cardiac CT added
        • Intraoperative findings = Major
        • BCx timing rules removed
        • Sensitivity: 84% (vs 75%)
        1. Decision

          Classification

          Apply criteria

          1. Action

            DEFINITE IE

            2 Major OR 1 Major + 3 Minor OR 5 Minor

            1. Action

              IE Management

              Multidisciplinary team

              • Prolonged IV antibiotics
              • Echo surveillance
              • Surgical consultation
              1. Outcome

                Follow-Up

                Complete therapy, surveillance echo

          2. Action

            POSSIBLE IE

            1 Major + 1 Minor OR 3 Minor

          3. Action

            REJECTED

            Alternative diagnosis OR resolves <4 days abx

    2. Action

      Minor Criteria

      Supporting evidence

      • Predisposition
      • Fever
      • Vascular phenomena
      • Immunologic phenomena

Guideline Source

2023 Duke-ISCVID Criteria for Infective Endocarditis

Clinical Safety Information

Clinical Decision Support — Not a Substitute for Clinical Judgment

Individual patient factors may require deviation from these recommendations.

Known Limitations

  • Antibiotic regimens not detailed
  • Surgical timing criteria simplified
  • Assumes adequate diagnostic resources

Contraindicated Populations

pediatric

Applicable Regions

USEU

EU: ESC 2023 IE guidelines compatible

US: Duke-ISCVID 2023 - improved sensitivity

Version 1Next review: 2027-01-01

Frequently Asked Questions

What is the Infective Endocarditis Diagnosis (Duke-ISCVID 2023)?

The Infective Endocarditis Diagnosis (Duke-ISCVID 2023) is a diagnostic clinical algorithm for Cardiology. It provides a structured decision tree to guide clinical decision-making, based on 2023 Duke-ISCVID Criteria for Infective Endocarditis.

What guideline is the Infective Endocarditis Diagnosis (Duke-ISCVID 2023) based on?

This algorithm is based on 2023 Duke-ISCVID Criteria for Infective Endocarditis (DOI: 10.1093/cid/ciac010).

What are the limitations of the Infective Endocarditis Diagnosis (Duke-ISCVID 2023)?

Known limitations include: Antibiotic regimens not detailed; Surgical timing criteria simplified; Assumes adequate diagnostic resources. Individual patient factors may require deviation from these recommendations.

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