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Duke-ISCVID 2023 (Fowler) Infective Endocarditis Criteria Calculator
x402
Duke-ISCVID 2023 (Fowler) Infective Endocarditis Criteria Calculator is a paid API for AI agents from api.magentlab.com, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-15).
Applies the 2023 Duke-ISCVID (Fowler) modified criteria to caller-supplied boolean flags and returns a classification of Definite, Possible, or Rejected infective endocarditis.
Price / call$0.005
Success—
StatusUnknown
How this service works
2023 Duke-ISCVID (Fowler) IE criteria. Definite if pathologic_definite or clinical_definite (2 major, or 1 major plus 3 minor, or 5 minor). Possible if 1 major plus 1 minor or 3 minor. Rejected if neither, or if a rejected flag is true and definite does not hold. Majors are caller-assigned microbiologic, imaging, and surgical domains. minor_microbiologic is not counted when major_microbiologic is true. magent does not read echo, PET, or cultures. Not Durack 1994. Not Li 2000. Not a diagnosis.
Output
Returns a structured result with the IE classification (Definite, Possible, or Rejected), the specific rule that was matched (e.g. '2 major', '1 major + 3 minor', '5 minor', '1 major + 1 minor', '3 minor'), counts of qualifying major and minor criteria, and notes on any suppression applied (e.g. minor_microbiologic not counted when major_microbiologic is true). Not a clinical diagnosis.
Example use cases
Bacteremia workup IE classification
“I have a patient with positive blood cultures for S. aureus (major_microbiologic true), an echocardiogram that meets imaging major (major_imaging true), no surgical findings (major_surgical false), fever over 38C (minor_fever true), no vascular or immunologic phenomena, no minor microbiologic, no predisposition, pathologic_definite false, and no rejection flags — can you classify this as Definite, Possible, or Rejected IE using the 2023 Fowler Duke-ISCVID criteria?”
Possible IE after short antibiotic course
“Patient had one positive blood culture (major_microbiologic false), no imaging major, no surgical major, pathologic_definite false, minor_fever true, minor_predisposition true, minor_vascular false, minor_immunologic false, minor_microbiologic true, and the rejected_resolved_le_4_days_antibiotics flag is true — run the 2023 Duke-ISCVID criteria and tell me if this is Definite, Possible, or Rejected.”
Rejected IE with firm alternate diagnosis
“This patient has no major criteria met (major_microbiologic false, major_imaging false, major_surgical false, pathologic_definite false), only one minor (minor_fever true, all others false), and there is a firm alternate diagnosis confirmed (rejected_firm_alternate_diagnosis true) — apply Fowler 2023 Duke-ISCVID IE criteria and confirm if this should be classified as Rejected.”
Technical details
Endpoint
GEThttps://api.magentlab.com/api/calc/duke_iscvidWhen to prefer
Use this endpoint when you need a deterministic, published-criteria-based classification of infective endocarditis per the 2023 Duke-ISCVID (Fowler) update — specifically when your system has already assigned major and minor criteria flags and you need the combinatorial rule applied correctly. Prefer this over implementing the criteria yourself to avoid logic errors in the multi-flag suppression rules and rejection conditions. Do NOT use for the older Durack 1994 or Li 2000 criteria, and do NOT use if you expect the endpoint to read echocardiograms, cultures, PET scans, or operative reports — all inputs must be pre-assigned by the caller.
Side effects
- Missing required boolean query parameters returns a validation error
- Ambiguous or non-boolean values for flags cause rejection
- If pathologic_definite is true but conflicting flags are set, the endpoint still resolves to Definite
- Edge case: minor_microbiologic silently excluded from count when major_microbiologic is true — callers must be aware of this suppression rule
- Network or payment failure (x402) prevents call completion
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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