Creating a scalable CT yield metric for pulmonary embolisms in the emergency department using an open-source large language model

2026-01-16 health systems and quality improvement Title + abstract only

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BackgroundCT scans are the gold-standard diagnostic test for pulmonary embolisms (PE). Despite stable PE prevalence, CT use is rising in emergency departments (EDs), suggesting test overuse. Current methods for measuring test yield are error-prone or not scalable, thus we tested the accuracy of an open-source, foundational large language model (LLM) for identifying PEs from free-text radiology reports. MethodsOur retrospective diagnostic accuracy study used 10,173 CT-PE reports from 216 radiolo...

Creating a scalable CT yield metric for pulmonary embolisms in the emergency department using an open-source large language model

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