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Health systems deploy AI chatbots to search and summarize patient records

8/20/2026

Hospitals and health systems are deploying chatbots powered by large language models to search and summarize patient medical records, a technology shift driven by how bloated those records have become.

A large language model is software trained on vast amounts of text that reads and retrieves information the way a research librarian works through a dense archive.

A number of health systems are now moving toward broad implementation of these tools, both ones built in-house and ones supplied by outside vendors.

When the record holds the answer At Stanford, six pathologists had tried and failed to identify a patient's cancer from a recent lymph node biopsy.

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