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AIRE (AI-ECG Risk Estimation)

Imperial College London (Sau, Ng et al.)

12-lead ECG

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ECG

Mortality

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Prognosis & Aging

Atrial fibrillation

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Arrhythmia

Atherosclerotic cardiovascular disease (ASCVD) risk

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Prognosis & Aging

Heart failure

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Cardiac Function & Hemodynamics

Regression

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Regression

Binary classification

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Classification

CNN (1D)

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Convolutional (CNN)

description View paper

Training code and model weights not public. Contact creators for more information.

Multi-outcome AI-ECG risk-estimation platform that turns a single 12-lead ECG into a patient-specific survival curve, using a residual convolutional neural network trained with a discrete-time survival loss to predict not just risk but time-to-event. Beyond all-cause and cardiovascular mortality, separately fine-tuned heads predict future ventricular arrhythmia, complete heart block, atrial fibrillation, atherosclerotic cardiovascular disease, heart failure, and (in follow-up work) hypertension -- all from a single resting ECG, including in ECGs a cardiologist would read as normal. Derived on 1.16 million ECGs from 189,539 Beth Israel Deaconess Medical Center patients and externally validated across transnational cohorts in the USA, Brazil (CODE), and the UK (UK Biobank). A variational autoencoder and genome/phenome-wide association analyses were used to show the model's predictions track biologically plausible features (QRS morphology, LV structure/function, and loci linked to cardiac structure, QT interval, and biological aging). NHS trials of AIRE were planned for late 2025. No public code or model weights have been released.

memory Specifications

category

Architecture

CNN (1D)

Residual 1D convolutional neural network with a discrete-time survival loss, producing a subject-specific survival curve from a single 12-lead ECG; separate fine-tuned prediction heads per outcome

calendar_month

Added to catalog

2026-08-10

description Publication

database Training & evaluation data

Beth Israel Deaconess Medical Center AIRE Derivation Cohort

testtrain

public 189,539 subjects · USA

1,163,401 12-lead ECGs from 189,539 secondary-care patients, used to derive and internally validate the AIRE risk-estimation platform.

CODE (Clinical Outcomes in Digital Electrocardiology, full cohort)

test

Brazil

Full restricted-access CODE cohort of Brazilian primary-care 12-lead ECGs, distinct from the public CODE-15% subsample already in this catalog; used for xECG pretraining.

United Kingdom

Volunteer, population-based cohort from the UK Biobank prospective study, used as one of AIRE's external transnational validation cohorts (distinct from the separate UK Biobank cardiac MRI sub-cohort already catalogued).

science Capabilities & performance

Patient-specific survival curve predicting all-cause mortality and time-to-mortality from a single 12-lead ECG

Regression Mortality
0.775 (0.773–0.776) AUROC BIDMC derivation/internal validation (all-cause mortality) · internal

Patient-specific survival curve predicting cardiovascular death

Regression Mortality
0.832 (0.831–0.834) AUROC BIDMC derivation/internal validation (cardiovascular death) · internal

Future ventricular arrhythmia risk prediction

Binary classification
0.76 (0.756–0.763) AUROC BIDMC derivation/internal validation (ventricular arrhythmia) · internal

Future complete heart block (CHB) risk prediction

Binary classification
0.809 (0.805–0.814) AUROC BIDMC derivation/internal validation (complete heart block) · internal

Future atrial fibrillation risk prediction

Binary classification Atrial fibrillation
0.753 (0.751–0.756) AUROC BIDMC derivation/internal validation (atrial fibrillation) · internal

Future atherosclerotic cardiovascular disease (ASCVD) risk prediction

Binary classification Atherosclerotic cardiovascular disease (ASCVD) risk
0.696 (0.694–0.698) AUROC BIDMC derivation/internal validation (ASCVD) · internal

Future heart failure risk prediction

Binary classification Heart failure
0.787 (0.785–0.789) AUROC BIDMC derivation/internal validation (heart failure) · internal