Resources


Database Contributor Review

CARMEN-I: A resource of anonymized electronic health records in Spanish and Catalan for training and testing NLP tools

Eulalia Farre Maduell, Salvador Lima-Lopez, Santiago Andres Frid, et al.

CARMEN-I is a Spanish corpus of 2,000 clinical records from Hospital Clínic, Barcelona. It covers COVID-19 patients and comorbidities, serving as a resource for training clinical NLP models and researchers in NLP applied to clinical documents.

de-identification clinical ner anonymization

Published: April 20, 2024. Version: 1.0.1

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 Credentialed Access

EchoNotes Structured Database derived from MIMIC-III (ECHO-NOTE2NUM)

Gloria Hyunjung Kwak, Dana Moukheiber, Mira Moukheiber, et al.

A structured echocardiogram database derived from 43,472 observational notes obtained during echocardiogram studies conducted in the intensive care unit at the Beth Israel Deaconess Medical Center between 2001 and 2012.

Published: Feb. 23, 2024. Version: 1.0.0

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 electrocardiography ecg

Published: Jan. 19, 2021. Version: 1.0.1

Visualize waveforms

Database Open Access

Sleep Heart Health Study PSG Database

Data collected for a prospective cohort study designed to investigate the relationship between sleep disordered breathing and cardiovascular disease.

polysomnogram sleep multiparameter

Published: Oct. 23, 2003. Version: 1.0.0

Visualize waveforms

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.

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

Published: April 30, 2026. Version: 1.1.1

Database Open Access

Autonomic Aging: A dataset to quantify changes of cardiovascular autonomic function during healthy aging

Andy Schumann, Karl Bär

This database contains resting recordings of ECG and continuous noninvasive blood pressure of 1,104 healthy volunteers

baroreflex blood pressure age cardiovascular heart rate variability

Published: July 30, 2021. Version: 1.0.0

Visualize waveforms

Database Open Access

Myocardial perfusion scintigraphy image database

Wesley Calixto, Solange Nogueira, Fernanda Luz, et al.

This database provides a collection of myocardial perfusion scintigraphy images. The dataset encompasses a diversity of clinical cases, including various perfusion patterns and underlying cardiac conditions.

nifti artificial intelligence anonymization clinical diagnosis myocardial perfusion systems modeling myocardial perfusion scintigraphy metadata ventricular walls coronary artery disease convolutional neural networks automated segmentation dicom

Published: Sept. 9, 2025. Version: 1.0.0

Software Open Access

Software for computing Heart Rate Fragmentation

Madalena Costa

Heart rate fragmentation: a new method for the analysis of cardiac interbeat interval time series. The code provided can be run in Windows, Mac and Linux machines.

heart rate variability aging cardiovascular disease vagal tone time series analysis prediction of atrial fibrillation cardiac autonomic function prediction of cardiovascular events prediction of cognitive decline heart rate fragmentation

Published: Feb. 14, 2024. Version: 1.0.0