[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"branding":3,"analytics":7,"article-ai-agent-watches-your-heart-data-so-doctors-dont-have-to":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},1787,"ai-agent-watches-your-heart-data-so-doctors-dont-have-to","AI Agent Watches Your Heart Data So Doctors Don't Have To","VitalAgent pairs large language models with wearable ECG and PPG streams to answer health questions and flag problems before you ask.","Researchers have built an AI agent that monitors continuous heart and activity data from wearables — and can both answer questions about it and raise alerts without being prompted.\n\nThe system, called VitalAgent, is a tool-augmented framework designed to work with ECG and PPG signals from wearable devices. Unlike most mobile health apps, which either run a fixed prediction model or let users ask questions about a static data snapshot, VitalAgent maintains a running physiological memory and can execute dynamic computations over raw signal streams. The team also released VitalBench, a benchmark comprising 1,862 question-answer pairs and 90.2 hours of continuous ECG and PPG recordings, covering cardiac health, physical activity, and stress. Against prompt-based and ReAct baselines, VitalAgent posted more than a 25% improvement on reactive evaluation tasks.\n\nThe gap this targets is real: most consumer health wearables surface daily summaries and push the interpretation onto the user. An agent that can hold context across weeks of physiological data and escalate proactively is a meaningfully different capability — closer to a background clinician than a fitness dashboard. Whether that framing survives contact with regulatory scrutiny is another question entirely.\n\nHealth AI has a long track record of impressive benchmark numbers that do not translate to clinical utility, and wearable signal quality is notoriously variable outside controlled settings — so treat the 25% gain as a research result, not a product promise.","[\"ai\",\"health\",\"wearables\",\"research\"]","2026-06-19T04:00:00.000Z","2026-06-19T11:51:32.006Z","2026-06-19T14:22:19.292Z","published",null,[],"ai",[24,26,27,28],"health","wearables","research",[30],{"name":31,"url":32},"arXiv cs.AI","https:\u002F\u002Farxiv.org\u002Fabs\u002F2605.29483",0,{"sections":35},[36,40,44,49,54,59,64,68,72,77,82,87,92,97],{"name":37,"slug":24,"count":38,"latest_published_at":39},"AI",491,"2026-06-19T14:59:11.000Z",{"name":41,"slug":42,"count":43,"latest_published_at":18},"Security","security",132,{"name":45,"slug":46,"count":47,"latest_published_at":48},"Policy","policy",88,"2026-06-16T09:26:09.000Z",{"name":50,"slug":51,"count":52,"latest_published_at":53},"Consumer Tech","consumer-tech",78,"2026-06-16T17:58:24.000Z",{"name":55,"slug":56,"count":57,"latest_published_at":58},"Hardware","hardware",62,"2026-06-18T15:24:16.000Z",{"name":60,"slug":61,"count":62,"latest_published_at":63},"Deals","deals",58,"2026-06-19T14:43:50.000Z",{"name":65,"slug":66,"count":62,"latest_published_at":67},"Software","software","2026-06-16T20:00:00.000Z",{"name":69,"slug":70,"count":71,"latest_published_at":18},"Dev Tools","dev-tools",50,{"name":73,"slug":74,"count":75,"latest_published_at":76},"Science","science",38,"2026-06-18T04:00:00.000Z",{"name":78,"slug":79,"count":80,"latest_published_at":81},"Gaming","gaming",31,"2026-06-16T15:25:13.000Z",{"name":83,"slug":84,"count":85,"latest_published_at":86},"General","general",26,"2026-06-13T18:35:15.000Z",{"name":88,"slug":89,"count":90,"latest_published_at":91},"Startups","startups",23,"2026-06-16T15:00:00.000Z",{"name":93,"slug":94,"count":95,"latest_published_at":96},"Reviews","reviews",19,"2026-06-14T08:00:00.000Z",{"name":98,"slug":99,"count":100,"latest_published_at":101},"How-To","how-to",6,"2026-06-16T09:00:00.000Z"]