AI triage tool Solace uses Claude and ML ensemble to assist ER clinicians

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A developer built Solace, an AI-assisted emergency triage system that assigns Emergency Severity Index (ESI) scores based on patient-described symptoms via voice or text in over 20 languages. Amazon Bedrock's Claude model generates a provisional ESI before any vitals are recorded, while a stacked machine learning ensemble refines the score once vitals are entered. The system uses SHAP attributions and conformal prediction sets to make its reasoning transparent and quantify uncertainty, ensuring clinicians are never handed a black-box result. A hardcoded safety rule prevents the system from ever downgrading a life-threatening case, regardless of model output. Patient data stays within AWS's HIPAA-compliant BAA boundary, with records stored in DynamoDB and the interface deployed on Vercel, and the tool was created for the H0: Hack the Zero Stack hackathon.

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