New daTABASE IN THE THEW: 1,172 HOlter recordings from patients with chest pain

chestThe THEW signed an agreement with University of California San Francisco for transferring the data from the IMMEDIATE AIM (Ischemia Monitoring and Mapping in the Emergency Department In Appropriate Triage and Evaluation of Acute Ischemic Myocardium) in to the THEW. This dataset includes digital ECG data recorded from 2001-2005 with Mason-Likar 12-lead Holter monitor devices (average length of recordings, 15.9 hours ± 9.0). The database includes 1154 subjects (230 GB), 547 patients had a final diagnosis of acute coronary syndrome - ACS (105 with acute myocardial infarction; 178 with unstable angina), 607 with non-ACS cardiac diagnosis (e.g., heart failure, arrhythmia), and 271 had a non-cardiac diagnosis (e.g., gastrointestinal reflux disease). Demographic information, coronary risk factors, medical history and clinical data (serum troponin, cardiac catheterization, hospital length of stay and complications, transient ischemic events, and 1-year mortality) are available. To learn more about this new dataset click here.

Accessing the data from the THEW

To access the data from the warehouse, you can request for a demo. version of the THEW Client Application which let you connect to a database containing Holter ECGs from the repository. To access to all data from the THEW , register and become member of our initiative here. The THEW is a not-for-profit organization.

About Us

The Steering Committee (SC) of the Telemetric and Holter ECG Warehouse (THEW) has been formed during the second quarter 2008, the nine individuals in the SC are from the National Health Institute, the Center for Drug Evaluation and Research, the Commissioner Office of the Food and Drug Administration (FDA) and the University of Rochester Medical Center. Read more about our team.


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