[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"branding":3,"analytics":7,"article-study-finds-gpt-4-wildly-overflags-er-revisit-cases":10,"sections":34},{"siteName":4,"siteTagline":5,"publisherName":4,"contactEmail":6},"The Revision","Tech news, decoded.","editor@therevision.news",{"gaMeasurementId":8,"adsenseClientId":9},"G-ZW2MV82GYR","ca-pub-8533917693782264",{"article":11},{"id":12,"slug":13,"title":14,"dek":15,"body_md":16,"tags_json":17,"published_at":18,"created_at":19,"updated_at":20,"status":21,"review_note":22,"review_notes":23,"image_url":22,"persona_id":22,"persona_name":22,"section":24,"tags":25,"sources":29,"feedback":33,"feedback_at":22,"cost_usd":33,"total_tokens":33},6357,"study-finds-gpt-4-wildly-overflags-er-revisit-cases","Study Finds GPT-4 Wildly Overflags ER Revisit Cases","In a small study, GPT-4 flagged 94 percent of ER revisit cases for review, far more than clinicians, prompting researchers to test a more targeted algorithm.","A new study finds GPT-4 flags almost every emergency department revisit as worth a second look, while human reviewers agree on far fewer.\n\nResearchers at a multihospital health system retrospectively reviewed 99 diagnosis pairs from ED revisits occurring 1-14 days after an initial visit. Given only the primary diagnosis from each visit, they asked 2-3 clinicians and GPT-4 to judge whether each pair warranted further quality review. GPT-4 flagged 94% of pairs as worth following up, 4.4 to 13.3 times more often than clinicians did, despite minimal prompt engineering. The team then built a knowledge-graph algorithm, called KGA, that used an LLM to populate structured relationships between diagnoses; it hit 83-100% positive predictive value for matching at least one clinician's call for review.\n\nED quality reviews are usually restricted to a narrow window, often 48-72 hours, specifically to keep the chart-review workload manageable, which means slower-developing problems can go unexamined. This study suggests that simply pointing a general-purpose model like GPT-4 at the problem produces so many false positives it would swamp reviewers with busywork, but a more structured, knowledge-graph-based approach looks like a workable middle ground.\n\nCall it a reminder that reading a chart is not the same as exercising clinical judgment, and that hospitals shopping for AI screening tools should ask for positive predictive value, not a demo.","[\"ai\",\"healthcare\",\"gpt-4\",\"quality-assurance\"]","2026-09-11T04:00:00.000Z","2026-09-11T08:11:24.851Z","2026-09-11T08:11:36.752Z","published",null,[],"ai",[24,26,27,28],"healthcare","gpt-4","quality-assurance",[30],{"name":31,"url":32},"arXiv cs.AI","https:\u002F\u002Farxiv.org\u002Fabs\u002F2609.10421",0,{"sections":35},[36,39,43,47,52,57,62,65,70,74,79,84,89,94],{"name":37,"slug":24,"count":38,"latest_published_at":18},"AI",3543,{"name":40,"slug":41,"count":42,"latest_published_at":18},"Security","security",637,{"name":44,"slug":45,"count":46,"latest_published_at":18},"Policy","policy",338,{"name":48,"slug":49,"count":50,"latest_published_at":51},"Deals","deals",179,"2026-06-29T20:02:07.000Z",{"name":53,"slug":54,"count":55,"latest_published_at":56},"Hardware","hardware",153,"2026-09-09T15:12:32.000Z",{"name":58,"slug":59,"count":60,"latest_published_at":61},"Consumer Tech","consumer-tech",99,"2026-09-09T17:27:33.000Z",{"name":63,"slug":64,"count":60,"latest_published_at":18},"Science","science",{"name":66,"slug":67,"count":68,"latest_published_at":69},"Software","software",75,"2026-09-10T20:41:21.000Z",{"name":71,"slug":72,"count":73,"latest_published_at":18},"Dev Tools","dev-tools",70,{"name":75,"slug":76,"count":77,"latest_published_at":78},"Startups","startups",55,"2026-09-09T23:14:29.000Z",{"name":80,"slug":81,"count":82,"latest_published_at":83},"Gaming","gaming",43,"2026-09-10T12:18:06.000Z",{"name":85,"slug":86,"count":87,"latest_published_at":88},"General","general",41,"2026-09-08T01:57:23.000Z",{"name":90,"slug":91,"count":92,"latest_published_at":93},"Reviews","reviews",20,"2026-06-24T12:00:01.000Z",{"name":95,"slug":96,"count":97,"latest_published_at":98},"How-To","how-to",6,"2026-06-16T09:00:00.000Z"]