Resources


Database Open Access

CAST RR Interval Sub-Study Database

Data from the Cardiac Arrhythmia Suppression Trial (CAST), a study designed to test the hypothesis that suppression of ventricular premature complexes would improve survival.

interbeat rr interval

Published: July 2, 2004. 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 Credentialed Access

MIMIC-IV-ECHO-Ext-LVVOLUMES-A4C-ROI: Annotated Subset of Apical Four-Chamber Echocardiography for PoCUS-Style LV Volume and Function Analysis

Kamlin Ekambaram, Anurag Arnab, Philip Herbst, et al.

A curated subset of MIMIC-IV-ECHO providing apical four-chamber cine loops with manual ROI masks, volumetric labels, and ready-to-use MP4/NPZ derivatives for robust LV volume and ejection fraction research.

ultrasound echocardiography medical imaging dicom lvesv roi segmentation cardiac video analysis left ventricular volume mimic-iv-echo apical four-chamber quantitative cardiology biplane simpson transformer models lvef ejection fraction a4c pocus lvedv domain adaptation deep learning

Published: Feb. 26, 2026. Version: 1.0.0