Health AI Central
Peer-Reviewed Publication
J Electrocardiol2025;92154082.January 1, 2025Journal Article

Are single-lead consumer ECG devices enough for accurate QTc monitoring? A calibrated uncertainty AI approach.

Peter Doggart1, Raymond Bond2, Dewar Finlay2, Daniel Guldenring3, Dave Albert4, Alan Kennedy5
1PulseAI Ltd., Belfast, UK; Ulster University, Belfast, UK. Electronic address: peter.doggart@pulseai.io.
2Ulster University, Belfast, UK.
3HS Kempten, Kempten, Germany.
4AliveCor Inc., Mountain View, VA, USA.
5PulseAI Ltd., Belfast, UK.
PubMed DOI

Abstract

BACKGROUND: While single‑lead ECGs offer accessibility, their performance and reliability for QTc assessment remains uncertain. Current State-of-the-art AI systems, though promising, often lack transparency, raising concerns about clinical trustworthiness. METHODS: We developed an uncertainty-aware AI model to measure RR/QT intervals from single‑lead ECGs. Training used retrospective datasets (∼4…

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