Resources


Database Restricted Access

KURIAS-ECG: a 12-lead electrocardiogram database with standardized diagnosis ontology

Hakje Yoo, Yunjin Yum, Soowan Park, et al.

The KURIAS-ECG database is a high-quality 12-lead ECG DB including standard vocabulary (SNOMED CT, OMOP-CDM), and ECG diagnoses of our DB are grouped into 10 diagnoses by applying the minnesota code.

snomed minnesota 12-lead ecg

Published: Nov. 8, 2021. Version: 1.0

Database Open Access

EPHNOGRAM: A Simultaneous Electrocardiogram and Phonocardiogram Database

Arsalan Kazemnejad, Peiman Gordany, Reza Sameni

An open-access database recorded during the EPHNOGRAM project, consisting of simultaneous electrocardiogram (ECG) and phonocardiogram (PCG) recordings from young healthy adults, during stress-test experiments.

stress-test phonocardiogram electrocardiogram

Published: June 11, 2021. Version: 1.0.0

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Database Open Access

Electrocardiogram, skin conductance and respiration from spider-fearful individuals watching spider video clips

Frank R Ihmig, Antonio Gogeascoechea, Sarah Schäfer, et al.

Dataset used for development of an algorithm for on-line anxiety level detection from biosignals.

exposure therapy psychophysiology biosignals anxiety disorders wearable sensors anxiety level detection machine learning

Published: June 5, 2020. Version: 1.0.0

Database Open Access

Abdominal and Direct Fetal ECG Database

Multichannel fetal electrocardiogram recordings obtained from 5 different women in labor, between 38 and 41 weeks of gestation.

fetal ecg

Published: Aug. 9, 2012. Version: 1.0.0

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Challenge Open Access

Classification of 12-lead ECGs: The PhysioNet/Computing in Cardiology Challenge 2020

Erick Andres Perez Alday, Annie Gu, Amit Shah, et al.

The goal of the 2020 PhysioNet - Computing in Cardiology Challenge is to design and implement a working, open-source algorithm that can automatically identify cardiac abnormalities in 12-lead ECG recordings.

Published: July 29, 2022. Version: 1.0.2

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Database Credentialed Access

MIMIC-III-Ext-PPG: A PPG Benchmark Dataset for Cardiorespiratory Analysis

Mohammad Moulaeifard, Peter H Charlton, Nils Strodthoff

Large-Scale, Quality-Assessed PPG-based Benchmark Dataset for Cardiovascular and Respiratory Signal Analysis based on MIMIC-III

blood pressure critical care photoplethysmography electrocardiogram heart rhythm signal quality respiratory rate

Published: Feb. 4, 2026. Version: 1.0.0

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.

heart failure clinical decision support artificial intelligence health equity ecg machine learning deep learning electrocardiogram aortic stenosis cardiovascular screening valvular heart disease digital health ai model deployment left ventricular dysfunction ai in healthcare population health transthoracic echocardiogram structural heart disease

Published: Sept. 16, 2025. Version: 1.1.0

Database Open Access

Wearable-based signals during physical exercises from patients with frailty after open-heart surgery

Daivaras Sokas, Monika Butkuvienė, Egle Tamulevičiūtė-Prascienė, et al.

A data collection contains a wearable-based electrocardiogram and triaxial acceleration signals of 80 elderly patients with frailty after an open-heart surgery. The signals were collected while the patients were performing a series of exercise tests.

heart rate response frailty posture veloergometry timed up and go stair climbing physical exercise heart rate reserve rehabilitation accelerometer aging gait walk test heart rate balance wearable electrocardiogram

Published: March 31, 2022. Version: 1.0.0

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Software Open Access

Lightweight 12-lead ECG viewer for MATLAB

Erick Andres Perez Alday, Larisa Tereshchenko

Clinical Viewer of raw digital 12-lead ECG file (ECG file in .txt format).

clinical 12-lead ecg routine clinical ecg viewer electrocardiogram

Published: Aug. 30, 2021. Version: 1.0.0

Database Open Access

VitalDB Arrhythmia Database: An Anesthesiologist-Validated Large-Scale Intraoperative Arrhythmia Dataset with Beat and Rhythm Labels

Dain Eun, Kayoung Shim, Hyunsoo Lee, et al.

We present a comprehensive intraoperative arrhythmia dataset with 734,528 seconds of ECG recordings from 482 patients, featuring over 660,000 beats annotated and validated by five anesthesiologists.

ppg vitaldb ecg arterial waveform intraoperative dataset

Published: Feb. 26, 2026. Version: 1.0.0