Hepatic Injury Grading (AAST 2018) — free guideline decision tool
This tool grades hepatic injury I–V using the AAST 2018 Organ Injury Scale, graded by the most severe imaging/operative feature, to guide management within a hemodynamics-first framework.
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.
Common questions
What does Hepatic Injury Grading (AAST 2018) do?
Use in blunt or penetrating abdominal trauma to assign a hepatic injury grade and frame the choice between nonoperative management, angioembolization, and damage-control surgery.
How is the result calculated?
Grade by the worst of hematoma/laceration/vascular injury. I–II usually NOM; III stable → NOM ± embolization; IV stable → NOM + embolization at capable centers, unstable → surgery; V usually surgery.
Is this a substitute for clinical judgement?
No. All results are decision-support only, for licensed clinicians. They must be individualized to the whole patient and the latest guideline version.
Run Hepatic Injury Grading (AAST 2018) now
This tool grades hepatic injury I–V using the AAST 2018 Organ Injury Scale, graded by the most severe imaging/operative feature, to guide management within a hemodynamics-first framework.
Open guideline tool →For licensed clinicians. Not a substitute for clinical judgement.