Ant Group presents MedGuard to verify medical facts in AI diagnostics
jiqizhixin · x · 2026-08-29
Ant Group and Xiamen University present MedGuard, accepted at npj Digital Medicine (IF 18.0). Unlike typical AI consultation systems, MedGuard is a safety infrastructure layer embedded into clinical workflows. Built on a 7B LLM, it intercepts doctor diagnoses, AI responses, and medication plans before finalization, extracting declarative statements and verifying key medical claims against clinical guidelines and evidence chains to flag risks.
Results: Achieves SOTA on fine-grained dialogue-level risk detection, improving F1 score by 22.1% over baselines and statement extraction by 23.2%. Average F1 reaches 0.7 across 41 medical subcategories.
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