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Database Restricted Access

EchoNext: A Dataset for Detecting Echocardiogram-Confirmed Structural Heart Disease from ECGs

Pierre Elias, Joshua Finer

EchoNext is a curated dataset of electrocardiograms (ECGs) paired with echocardiogram-confirmed structural heart disease labels, designed to support the development and validation of machine learning models.

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Published: Sept. 16, 2025. Version: 1.1.0

Database Open Access

Leipzig Heart Center ECG-Database: Arrhythmias in Children and Patients with Congenital Heart Disease

Sophia Klehs, Daniel Franke, Bayhas Alhamad, et al.

This annotated ECG database for paediatric and CHD patients features 12-lead and intracardiac recordings, supporting advanced diagnostic algorithms.

artificial intelligence 12-lead ecg arrhythmias chd intracardiac recordings annotated congenital heart disease

Published: March 19, 2025. Version: 1.0.0

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Database Open Access

ECG Effects of Dofetilide, Moxifloxacin, Dofetilide+Mexiletine, Dofetilide+Lidocaine and Moxifloxacin+Diltiazem

ECG from 22 subjects for a study on response of hERG potassium channel blocking drugs with and without the addition of late sodium or calcium channel blocking drugs.

medication ecg

Published: Sept. 15, 2016. Version: 1.0.0

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Database Open Access

tOLIet: Single-lead Thigh-based Electrocardiography Using Polimeric Dry Electrodes

Aline Santos Silva, Hugo Plácido da Silva, Miguel Correia, et al.

We present tOLIet, the first thigh ECG dataset with real signals captured by a toilet seat with electrodes. There are 149 recordings from 86 people, useful for research into cardiovascular assessment using "invisible" ECG.

Published: Feb. 2, 2026. Version: 1.0.1

Database Open Access

Leipzig Heart Center ECG-Database: Arrhythmias in Children and Patients with Congenital Heart Disease

Sophia Klehs, Daniel Franke, Bayhas Alhamad, et al.

This annotated ECG database for paediatric and CHD patients features 12-lead and intracardiac recordings, supporting advanced diagnostic algorithms.

artificial intelligence 12-lead ecg arrhythmias chd intracardiac recordings annotated congenital heart disease

Published: March 19, 2025. Version: 1.0.0

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Database Open Access

MIMIC-IV-ECG: Diagnostic Electrocardiogram Matched Subset

Brian Gow, Tom Pollard, Larry A Nathanson, et al.

The MIMIC-IV ECG module contains approximately 800,000 diagnostic electrocardiograms across nearly 160,000 unique patients. These patients overlap with the patients from the MIMIC-IV Clinical Database.

Published: Sept. 15, 2023. Version: 1.0

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Database Open Access

PTB-XL, a large publicly available electrocardiography dataset

Patrick Wagner, Nils Strodthoff, Ralf-Dieter Bousseljot, et al.

The PTB-XL ECG dataset is a large dataset of 21801 clinical 12-lead ECGs from 18869 patients of 10 second length. The raw signal data has been annotated by up to two cardiologists with 71 different ECG statements and is supplemented by rich metadata.

ptb-xl ptb ecg electrocardiography

Published: Nov. 9, 2022. Version: 1.0.3

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Database Open Access

MIMIC-IV-ECG Demo - Diagnostic Electrocardiogram Matched Subset Demo

Brian Gow, Tom Pollard, Larry A Nathanson, et al.

The MIMIC-IV ECG Demo module contains 659 diagnostic electrocardiograms across 92 unique patients. These 92 patients overlap with the patients from the MIMIC-IV Clinical Demo and are also part of the MIMIC-IV Clinical Database.

Published: June 30, 2022. Version: 0.1

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Database Open Access

Norwegian Endurance Athlete ECG Database

Bjørn-Jostein Singstad

This project contains 28 ECGs from 28 healthy elite athletes. The ECGs have been interpreted by the Marquette SL12 (version 23) algorithm and a Cardiologist using the International Criteria for ECG interpretation (2018).

marquettesl12 ge cardiologist athletes ecg electrocardiogram

Published: March 23, 2022. Version: 1.0.0

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Database Open Access

Lobachevsky University Electrocardiography Database

Alena Kalyakulina, Igor Yusipov, Viktor Moskalenko, et al.

ECG signal database that consists of 200 10-second 12-lead records. The boundaries and peaks of P, T waves and QRS complexes were manually annotated by cardiologists. Each record is annotated with the corresponding diagnosis.

diagnosis delineation open database database ecg electrocardiography

Published: Jan. 19, 2021. Version: 1.0.1

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