AHA 2026: AI reads smartwatch ECGs for heart failure and speeds echo interpretation
AmiBhattMD · x · 2026-11-11
Two late-breaking studies presented at AHA 2026 showcase AI's potential in cardiovascular care while underscoring clinician oversight:
- WATCH-LV: An AI model detected left ventricular systolic dysfunction (LVEF ≤40%) from 30-second single-lead smartwatch ECGs. Across 2,211 adults in South Korea, Apple Watch and Samsung Galaxy Watch performed similarly, though 9% got discordant classifications between devices. Requiring positives on 2 of 3 consecutive days in a home cohort cut false positives by 50% but missed two additional true cases.
- AI ECHO INSIGHT: A California randomized study of 1,200 echocardiograms found AI-generated preliminary interpretations matched sonographer accuracy, speeding up workflow.
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