Build a FHIR-Standard EHR Knowledge Base with RAG

By Meridian48 News Desk · Summarised from DEV Community · July 8, 2026

This guide shows developers how to build a RAG pipeline that parses medical PDFs, maps data to the FHIR standard, and enables natural language queries. It uses Unstructured.io for extraction, Milvus for vector storage, and DuckDB for structured queries. The result is a queryable, structured knowledge base from messy healthcare documents.

Meridian48 take

A practical tutorial for healthcare data engineers, but the real challenge is deployment at scale and regulatory compliance.

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Build a FHIR-Standard EHR Knowledge Base with RAG

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