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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.

Pathway Overview

10 steps

Algorithm Steps

10 total

  1. 01Start

    Suspected IE

    Fever + risk factors/clinical suspicion

  2. 02Action

    Major Criteria (2023)

    Evidence of IE

    • 1. Typical organisms (2+ BCx)
    • 2. Imaging: Echo/CT/PET
    • 3. Surgical: Intraoperative (NEW)
  3. 03Warning

    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%)
  4. 04Decision

    Classification

    Apply criteria

  5. 05Action

    DEFINITE IE

    2 Major OR 1 Major + 3 Minor OR 5 Minor

  6. 06Action

    IE Management

    Multidisciplinary team

    • Prolonged IV antibiotics
    • Echo surveillance
    • Surgical consultation
  7. 07Outcome

    Follow-Up

    Complete therapy, surveillance echo

  8. 08Action

    POSSIBLE IE

    1 Major + 1 Minor OR 3 Minor

  9. Path rejoins step 06Shared downstream outcome
  10. 09Action

    REJECTED

    Alternative diagnosis OR resolves <4 days abx

  11. 10Action

    Minor Criteria

    Supporting evidence

    • Predisposition
    • Fever
    • Vascular phenomena
    • Immunologic phenomena
  12. Path rejoins step 03Shared downstream outcome

Guideline Source

2023 Duke-ISCVID Criteria for Infective Endocarditis

DOI: 10.1093/cid/ciac010View Guideline

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

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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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