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
Algorithm Steps
- ▶Start
Suspected IE
Fever + risk factors/clinical suspicion
- ●Action
Major Criteria (2023)
Evidence of IE
- 1. Typical organisms (2+ BCx)
- 2. Imaging: Echo/CT/PET
- 3. Surgical: Intraoperative (NEW)
- ⚠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%)
- ◆Decision
Classification
Apply criteria
- ●Action
DEFINITE IE
2 Major OR 1 Major + 3 Minor OR 5 Minor
- ●Action
IE Management
Multidisciplinary team
- Prolonged IV antibiotics
- Echo surveillance
- Surgical consultation
- ✓Outcome
Follow-Up
Complete therapy, surveillance echo
- ●Action
POSSIBLE IE
1 Major + 1 Minor OR 3 Minor
- ●Action
REJECTED
Alternative diagnosis OR resolves <4 days abx
- ●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
Applicable Regions
EU: ESC 2023 IE guidelines compatible
US: Duke-ISCVID 2023 - improved sensitivity
Next steps
Finish the workflow by opening the most relevant calculator, then convert the session into a live account when you are ready.
Related Resources
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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