West Haven Criteria (Hepatic Encephalopathy) — free guideline decision tool
Grade hepatic encephalopathy severity with the West Haven criteria.
Open guideline tool →Guideline-based
Implements the decision logic from published clinical guidelines.
Runs in your browser
No installation. Enter the patient's values and get a guideline recommendation instantly.
Data stays local
Nothing is uploaded. Results are for licensed clinicians only.
Worked calculation
The values below come from this tool's own example placeholders and are computed server-side with the formula shown on this page, so the arithmetic can be checked quickly. It demonstrates how to substitute values only — it is not clinical advice and not a real case.
| Clinical grade | 0 (minimal) — no detectable change, abnormal on testing |
|---|
→West HavenGrade 0
- Note：Covert/minimal HE — consider specialised testing.
| Clinical grade | 4 — coma |
|---|
→West HavenGrade 4
- Note：Grade 3–4 (overt) — airway protection and ICU care may be needed; identify precipitants.
Common questions
What is West Haven Criteria (Hepatic Encephalopathy)?
Grade hepatic encephalopathy severity with the West Haven criteria.
How is West Haven Criteria (Hepatic Encephalopathy) calculated? What is the core formula?
Grades 0 (minimal/covert) to 4 (coma); overt HE from grade 2.
When is West Haven Criteria (Hepatic Encephalopathy) used?
Assess and trend hepatic encephalopathy.
What are the key clinical points for West Haven Criteria (Hepatic Encephalopathy)?
Identify and treat precipitants (infection, GI bleed, constipation). Grade 3–4 may need airway protection/ICU. Treatment: lactulose ± rifaximin.
What are the limits and cautions when using West Haven Criteria (Hepatic Encephalopathy)?
For licensed clinicians and clinical researchers. Interpret results with history, investigations and local protocols; not a diagnosis or prescription, and not a substitute for multidisciplinary decision-making or local guidelines.
How is West Haven Criteria (Hepatic Encephalopathy) calculated in practice? Can you show a worked example?
Inputs: Clinical grade 0 (minimal) — no detectable change, abnormal on testing → Result: West Haven Grade 0（Note: Covert/minimal HE — consider specialised testing.） Inputs: Clinical grade 4 — coma → Result: West Haven Grade 4（Note: Grade 3–4 (overt) — airway protection and ICU care may be needed; identify precipitants.）
Run West Haven Criteria (Hepatic Encephalopathy) now
Grade hepatic encephalopathy severity with the West Haven criteria.
Open guideline tool →For licensed clinicians. Not a substitute for clinical judgement.
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