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Development of a Long Term Database for Assessing
the Performance of Transient Ischemia Detectors

F Jager$^{1}$, GB Moody$^{2}$, A Taddei$^{3}$, G Antolic$^{4}$, M Zabukovec$^{1}$, M Skrjanc$^{1}$, M Emdin$^{3}$, and RG Mark$^{2}$

$^{1}$ Faculty of Computer and Information Science, Ljubljana, Slovenia
$^{2}$ Harvard-M.I.T. Division of Health Sciences and Technology, Cambridge, MA, and
Cardiology Division, Beth Israel Hospital, Boston, MA, USA
$^{3}$ CNR Institute of Clinical Physiology, Pisa, Italy
$^{4}$ Department of Cardiology, University Medical Center, Ljubljana, Slovenia

This article originally appeared in Computers in Cardiology 1996, vol. 23, pp. 481-484 (Piscataway, NJ: IEEE Computer Society Press). Please cite this publication when referencing this material. This HTML version incorporates minor revisions for publication on PhysioNet.


We have begun to develop a new annotated long term ambulatory ST-T database. The aim of the database is to be a reference set containing a number of well documented ischemic ST episodes, axis-related non-ischemic ST episodes, episodes of slow ST level drift and mixed episodes to support development and evaluation of detectors capable of accurate differentiation of ischemic and non-ischemic ST events, as well as basic research into mechanisms and dynamics of ischemia. We discuss selection criteria, define the events of interest, and describe the annotation procedure.

Samples of the Long-Term ST Database are available here.