Use of downloaded data from this database is permitted for research and
not for commercial use (i.e., testing commercial equipment for quality
assessment according to ANSI-AAMI recommendations or other standards).
For commercial use, obtain the European ST-T Database CD-ROM (write to Alessandro Taddei
<taddei@ftgm.it> for further information).
This database is described in
Taddei A, Distante G, Emdin M, Pisani P, Moody GB, Zeelenberg C, Marchesi C.
The European ST-T Database: standard for evaluating systems for the analysis
of ST-T changes in ambulatory electrocardiography.
European Heart Journal 13: 1164-1172 (1992).
Please cite this publication when referencing this material, and also
include the standard citation for PhysioNet:
Goldberger AL, Amaral LAN, Glass L, Hausdorff JM, Ivanov PCh, Mark RG,
Mietus JE, Moody GB, Peng C-K, Stanley HE. PhysioBank, PhysioToolkit, and
PhysioNet: Components of a New Research Resource for Complex Physiologic
Signals.
Circulation 101(23):e215-e220 [Circulation Electronic Pages;
http://circ.ahajournals.org/content/101/23/e215.full];
2000 (June 13).
The European ST-T Database is intended to be used for evaluation of algorithms
for analysis of ST and T-wave changes. This database consists of 90 annotated
excerpts of ambulatory ECG recordings from 79 subjects. The subjects were 70
men aged 30 to 84, and 8 women aged 55 to 71. (Information is missing for one
subject. Records e0118-e0122 come from the same subject; also records
e0123-e0126, records e0129 and e0133, records e0136 and e0139, records e0147
and e0148, records e0154 and e0155, and records e0162 and e0163.) Myocardial
ischemia was diagnosed or suspected for each subject (see reference 1);
additional selection criteria were established in order to obtain a
representative selection of ECG abnormalities in the database, including
baseline ST segment displacement resulting from conditions such as
hypertension, ventricular dyskinesia, and effects of medication. The database
includes 367 episodes of ST segment change, and 401 episodes of T-wave change,
with durations ranging from 30 seconds to several minutes, and peak
displacements ranging from 100 microvolts to more than one millivolt. In
addition, 11 episodes of axis shift resulting in apparent ST change, and 10
episodes of axis shift resulting in apparent T-wave change, have been marked.
Compact clinical reports document each record. These reports, contained within
the header (.hea) files associated with each record, summarize
pathology, medications, electrolyte imbalance, and techical information about
each recording.
Each record is two hours in duration and contains two signals, each sampled at
250 samples per second with 12-bit resolution over a nominal 20 millivolt input
range. The sample values were rescaled after digitization with reference to
calibration signals in the original analog recordings, in order to obtain a
uniform scale of 200 ADC units per millivolt for all signals. (The calibration
signals are not included in the signal files.) The header files include
information about the leads used, the patient's age, sex, and medications, the
clinical findings, and the recording equipment. Each of the signal files is
5,400,000 bytes long.
Two cardiologists worked independently to annotate each record beat-by-beat and
for changes in ST segment and T-wave morphology, rhythm, and signal quality.
ST segment and T-wave changes were identified in both leads (using predefined
criteria which were applied uniformily in all cases), and their onsets,
extrema, and ends were annotated. Annotations made by the two cardiologists
were compared, disagreements were resolved by the coordinating group in Pisa
(see reference 3), and the reference annotation files were prepared;
altogether, these files contain 802,866 annotations. A detailed description
of the annotations may be found here.
Over half (48 of 90 complete records, and reference annotation files for all
records) of this database was contributed to PhysioNet in 2000, and the
remainder was contributed in November 2009. A list of all 90
record names is available here.
Acknowledgements
We thank Carlo Marchesi, Alessandro Taddei, and Michele Emdin of the CNR
Institute for Clinical Physiology in Pisa for arranging for these recordings to
be made available via PhysioNet. Our thanks also to Maarten L. Simoons, Simon
Meij, and Johan H.C. Reiber, and to the European Society of Cardiology and its
Working Group "Computers in Cardiology", for their support.
Completion of the European ST-T Database was made possible by the
European Society of
Cardiology. We also thank the many
contributors whose efforts supported the creation of the Database.
Additional References
- Taddei, A., Benassi, A., Biagini, A., Bongiorni, M.G., Contini, C.,
Distante, G., Landucci, L., Mazzei, M.G., Pisani, P., Roggero, N.,
Varanini, M., Marchesi, C.
ST-T change analysis in ECG ambulatory monitoring: a European
standard for performance evaluation.
Computers in Cardiology 14:63-68 (1987).
- Marchesi, C.
The European Community concerted action on Ambulatory Monitoring.
Journal of Med. Eng. and Techn. 10:131-134 (1986).
- Taddei, A., Biagini, A., Distante, G., Marchesi, C., Mazzei, M.G.,
Pisani, P., Roggero, N., Zeelenberg, C.
An annotated database aimed at performance evaluation of algorithms
for ST-T change analysis.
Computers in Cardiology 16:117-120 (1989).
- ANSI-AAMI EC38:1998 [American National Standard].
Ambulatory electrocardiographs.
Association for the Advancement of Medical Instrumentation, 3330 Washington
Boulevard, Suite 400, Arlington, VA 22201-4598, USA (1998).
- ANSI-AAMI EC57:1998 [American National Standard].
Testing and reporting performance results of cardiac rhythm and ST
segment measurement algorithms.
Association for the Advancement of Medical Instrumentation, 3330 Washington
Boulevard, Suite 400, Arlington, VA 22201-4598, USA (1998).
Name Last modified Size Description
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Parent Directory -
![[ ]](/icons/unknown.gif)
DOI 21-Sep-2015 19:00 19
![[ ]](/icons/index.gif)
ANNOTATORS 14-Oct-2000 04:35 72 list of annotators
![[ ]](/icons/text.gif)
e0418.hea 10-May-1991 06:00 138 header file
e0501.hea 10-May-1991 06:00 141 header file
e0413.hea 10-May-1991 06:00 158 header file
e0415.hea 10-May-1991 06:00 159 header file
e0212.hea 10-May-1991 06:00 166 header file
e0202.hea 10-May-1991 06:00 171 header file
e1301.hea 10-May-1991 06:00 171 header file
e0206.hea 10-May-1991 06:00 172 header file
e0210.hea 10-May-1991 06:00 172 header file
e0213.hea 10-May-1991 06:00 173 header file
e0205.hea 10-May-1991 06:00 177 header file
e0704.hea 10-May-1991 06:00 177 header file
e0161.hea 10-May-1991 06:00 178 header file
e0417.hea 10-May-1991 06:00 178 header file
e0207.hea 10-May-1991 06:00 179 header file
e0204.hea 16-May-2017 23:57 180 header file
e0208.hea 10-May-1991 06:00 180 header file
e0211.hea 10-May-1991 06:00 181 header file
e0115.hea 10-May-1991 06:00 182 header file
e0411.hea 10-May-1991 06:00 182 header file
e0127.hea 10-May-1991 06:00 184 header file
e0170.hea 10-May-1991 06:00 184 header file
e0405.hea 10-May-1991 06:00 185 header file
e0515.hea 10-May-1991 06:00 185 header file
e1304.hea 10-May-1991 06:00 187 header file
e0403.hea 10-May-1991 06:00 189 header file
e0111.hea 10-May-1991 06:00 191 header file
e1302.hea 10-May-1991 06:00 193 header file
e0166.hea 10-May-1991 06:00 194 header file
e0611.hea 10-May-1991 06:00 194 header file
e0612.hea 10-May-1991 06:00 194 header file
e0818.hea 10-May-1991 06:00 199 header file
e0203.hea 10-May-1991 06:00 200 header file
e0306.hea 10-May-1991 06:00 205 header file
e0159.hea 10-May-1991 06:00 206 header file
e0613.hea 10-May-1991 06:00 207 header file
e0404.hea 10-May-1991 06:00 209 header file
e0103.hea 10-May-1991 06:00 213 header file
e0136.hea 10-May-1991 06:00 213 header file
e0509.hea 10-May-1991 06:00 213 header file
e0410.hea 10-May-1991 06:00 214 header file
e0139.hea 10-May-1991 06:00 215 header file
e0154.hea 10-May-1991 06:00 215 header file
e0116.hea 10-May-1991 06:00 217 header file
e0155.hea 10-May-1991 06:00 217 header file
e0801.hea 10-May-1991 06:00 217 header file
e0133.hea 10-May-1991 06:00 218 header file
e0808.hea 10-May-1991 06:00 218 header file
e0113.hea 10-May-1991 06:00 219 header file
e0609.hea 10-May-1991 06:00 220 header file
e0162.hea 10-May-1991 06:00 221 header file
e0163.hea 10-May-1991 06:00 221 header file
e0107.hea 10-May-1991 06:00 223 header file
e0304.hea 10-May-1991 06:00 223 header file
e0601.hea 10-May-1991 06:00 223 header file
e0151.hea 10-May-1991 06:00 224 header file
e0605.hea 10-May-1991 06:00 224 header file
e0817.hea 10-May-1991 06:00 224 header file
e0610.hea 10-May-1991 06:00 225 header file
e0615.hea 10-May-1991 06:00 227 header file
e0129.hea 10-May-1991 06:00 228 header file
e0118.hea 10-May-1991 06:00 229 header file
e0119.hea 10-May-1991 06:00 229 header file
e0105.hea 10-May-1991 06:00 231 header file
e0121.hea 10-May-1991 06:00 231 header file
e0122.hea 10-May-1991 06:00 231 header file
e0106.hea 10-May-1991 06:00 232 header file
e0110.hea 10-May-1991 06:00 234 header file
e0408.hea 10-May-1991 06:00 234 header file
e0148.hea 10-May-1991 06:00 236 header file
e0147.hea 10-May-1991 06:00 237 header file
e0603.hea 10-May-1991 06:00 237 header file
e0614.hea 10-May-1991 06:00 238 header file
e0108.hea 10-May-1991 06:00 240 header file
e0406.hea 10-May-1991 06:00 240 header file
e0114.hea 10-May-1991 06:00 244 header file
e0606.hea 10-May-1991 06:00 250 header file
e0112.hea 10-May-1991 06:00 251 header file
e0305.hea 10-May-1991 06:00 252 header file
e0104.hea 10-May-1991 06:00 253 header file
e0602.hea 10-May-1991 06:00 254 header file
e0409.hea 10-May-1991 06:00 255 header file
e0604.hea 10-May-1991 06:00 259 header file
e0303.hea 10-May-1991 06:00 265 header file
e0302.hea 10-May-1991 06:00 268 header file
e0123.hea 10-May-1991 06:00 279 header file
e0124.hea 10-May-1991 06:00 280 header file
e0125.hea 10-May-1991 06:00 280 header file
e0126.hea 10-May-1991 06:00 281 header file
e0607.hea 10-May-1991 06:00 284 header file
RECORDS 29-Sep-2000 17:34 540 list of record names
local.css 28-Oct-2015 22:40 3.1K
edb.txt 12-Oct-1999 18:18 8.7K
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e0116.atr 10-May-1991 06:00 9.4K reference annotations
e0114.atr 10-May-1991 06:00 12K reference annotations
e0112.atr 10-May-1991 06:00 12K reference annotations
e0129.atr 10-May-1991 06:00 12K reference annotations
MD5SUMS 25-Nov-2009 17:32 12K
e0611.atr 10-May-1991 06:00 12K reference annotations
e0147.atr 10-May-1991 06:00 13K reference annotations
e0166.atr 10-May-1991 06:00 13K reference annotations
e0133.atr 10-May-1991 06:00 13K reference annotations
e0154.atr 10-May-1991 06:00 13K reference annotations
e0105.atr 10-May-1991 06:00 14K reference annotations
e0148.atr 10-May-1991 06:00 14K reference annotations
e0108.atr 10-May-1991 06:00 14K reference annotations
e0404.atr 10-May-1991 06:00 14K reference annotations
SHA1SUMS 25-Nov-2009 17:32 14K
e0110.atr 10-May-1991 06:00 14K reference annotations
e0612.atr 10-May-1991 06:00 14K reference annotations
e0136.atr 10-May-1991 06:00 14K reference annotations
e0207.atr 10-May-1991 06:00 14K reference annotations
e0106.atr 10-May-1991 06:00 15K reference annotations
e0103.atr 10-May-1991 06:00 15K reference annotations
e0615.atr 10-May-1991 06:00 15K reference annotations
e0107.atr 10-May-1991 06:00 15K reference annotations
e0118.atr 10-May-1991 06:00 15K reference annotations
e0410.atr 10-May-1991 06:00 15K reference annotations
e0163.atr 10-May-1991 06:00 15K reference annotations
e0111.atr 10-May-1991 06:00 15K reference annotations
e0151.atr 10-May-1991 06:00 15K reference annotations
e0501.atr 10-May-1991 06:00 16K reference annotations
e0104.atr 10-May-1991 06:00 16K reference annotations
e0306.atr 10-May-1991 06:00 16K reference annotations
e1304.atr 10-May-1991 06:00 16K reference annotations
e0817.atr 10-May-1991 06:00 16K reference annotations
e0610.atr 10-May-1991 06:00 16K reference annotations
e0509.atr 10-May-1991 06:00 16K reference annotations
e0603.atr 10-May-1991 06:00 16K reference annotations
e0413.atr 10-May-1991 06:00 16K reference annotations
e0126.atr 10-May-1991 06:00 16K reference annotations
e0304.atr 10-May-1991 06:00 17K reference annotations
e0119.atr 10-May-1991 06:00 17K reference annotations
e0604.atr 10-May-1991 06:00 17K reference annotations
e1302.atr 10-May-1991 06:00 17K reference annotations
e0613.atr 10-May-1991 06:00 17K reference annotations
e0155.atr 10-May-1991 06:00 17K reference annotations
e0210.atr 10-May-1991 06:00 17K reference annotations
e1301.atr 10-May-1991 06:00 17K reference annotations
e0208.atr 10-May-1991 06:00 18K reference annotations
e0303.atr 10-May-1991 06:00 18K reference annotations
e0161.atr 10-May-1991 06:00 18K reference annotations
e0408.atr 10-May-1991 06:00 18K reference annotations
e0601.atr 10-May-1991 06:00 18K reference annotations
e0406.atr 10-May-1991 06:00 18K reference annotations
e0123.atr 10-May-1991 06:00 18K reference annotations
e0125.atr 10-May-1991 06:00 18K reference annotations
e0417.atr 10-May-1991 06:00 18K reference annotations
e0170.atr 10-May-1991 06:00 18K reference annotations
e0403.atr 10-May-1991 06:00 18K reference annotations
e0124.atr 10-May-1991 06:00 19K reference annotations
e0305.atr 10-May-1991 06:00 19K reference annotations
e0127.atr 10-May-1991 06:00 19K reference annotations
e0609.atr 10-May-1991 06:00 19K reference annotations
e0113.atr 10-May-1991 06:00 19K reference annotations
e0159.atr 10-May-1991 06:00 19K reference annotations
e0801.atr 10-May-1991 06:00 19K reference annotations
e0606.atr 10-May-1991 06:00 19K reference annotations
e0704.atr 10-May-1991 06:00 20K reference annotations
e0411.atr 10-May-1991 06:00 20K reference annotations
e0202.atr 10-May-1991 06:00 20K reference annotations
e0203.atr 10-May-1991 06:00 20K reference annotations
e0818.atr 10-May-1991 06:00 21K reference annotations
e0302.atr 10-May-1991 06:00 21K reference annotations
e0607.atr 10-May-1991 06:00 21K reference annotations
SHA256SUMS 25-Nov-2009 17:32 21K
e0162.atr 10-May-1991 06:00 21K reference annotations
e0139.atr 10-May-1991 06:00 21K reference annotations
e0121.atr 10-May-1991 06:00 21K reference annotations
e0212.atr 10-May-1991 06:00 22K reference annotations
e0206.atr 10-May-1991 06:00 22K reference annotations
e0515.atr 10-May-1991 06:00 22K reference annotations
e0115.atr 10-May-1991 06:00 22K reference annotations
e0602.atr 10-May-1991 06:00 22K reference annotations
e0213.atr 10-May-1991 06:00 22K reference annotations
e0122.atr 10-May-1991 06:00 23K reference annotations
e0405.atr 10-May-1991 06:00 23K reference annotations
e0808.atr 10-May-1991 06:00 23K reference annotations
e0204.atr 10-May-1991 06:00 23K reference annotations
e0418.atr 10-May-1991 06:00 23K reference annotations
e0614.atr 10-May-1991 06:00 23K reference annotations
e0415.atr 10-May-1991 06:00 24K reference annotations
e0205.atr 10-May-1991 06:00 24K reference annotations
e0605.atr 10-May-1991 06:00 25K reference annotations
e0409.atr 10-May-1991 06:00 25K reference annotations
e0211.atr 10-May-1991 06:00 30K reference annotations
e0103.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0104.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0105.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0106.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0107.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0108.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0110.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0111.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0112.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0113.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0114.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0115.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0116.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0118.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0119.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0121.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0122.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0123.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0124.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0125.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0126.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0127.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0129.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0133.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0136.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0139.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0147.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0148.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0151.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0154.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0155.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0159.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0161.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0162.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0163.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0166.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0170.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0202.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0203.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0204.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0205.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0206.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0207.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0208.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0210.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0211.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0212.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0213.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0302.dat 10-May-1991 06:00 5.1M digitized signal(s)
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e0304.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0305.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0306.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0403.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0404.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0405.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0406.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0408.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0409.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0410.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0411.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0413.dat 10-May-1991 06:00 5.1M digitized signal(s)
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e0501.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0509.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0515.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0601.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0602.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0603.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0604.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0605.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0606.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0607.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0609.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0610.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0611.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0612.dat 10-May-1991 06:00 5.1M digitized signal(s)
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e0615.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0704.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0801.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0808.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0817.dat 10-May-1991 06:00 5.1M digitized signal(s)
e0818.dat 10-May-1991 06:00 5.1M digitized signal(s)
e1301.dat 10-May-1991 06:00 5.1M digitized signal(s)
e1302.dat 10-May-1991 06:00 5.1M digitized signal(s)
e1304.dat 10-May-1991 06:00 5.1M digitized signal(s)
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