Database Open Access
PTB Diagnostic ECG Database
Published: Sept. 25, 2004. Version: 1.0.0
PTB Diagnostic ECG Database (Sept. 25, 2004, midnight)
New in PhysioBank is the PTB Diagnostic ECG Database, a collection of 549 high-resolution 15-lead ECGs (12 standard leads together with Frank XYZ leads), including clinical summaries for each record. From one to five ECG records are available for each of the 294 subjects, who include healthy subjects as well as patients with a variety of heart diseases.
Please include the standard citation for PhysioNet:
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Goldberger, A., Amaral, L., Glass, L., Hausdorff, J., Ivanov, P. C., Mark, R., ... & Stanley, H. E. (2000). PhysioBank, PhysioToolkit, and PhysioNet: Components of a new research resource for complex physiologic signals. Circulation [Online]. 101 (23), pp. e215–e220.
The ECGs in this collection were obtained using a non-commercial, PTB prototype recorder with the following specifications:
- 16 input channels, (14 for ECGs, 1 for respiration, 1 for line voltage)
- Input voltage: ±16 mV, compensated offset voltage up to ± 300 mV
- Input resistance: 100 Ω (DC)
- Resolution: 16 bit with 0.5 μV/LSB (2000 A/D units per mV)
- Bandwidth: 0 - 1 kHz (synchronous sampling of all channels)
- Noise voltage: max. 10 μV (pp), respectively 3 μV (RMS) with input short circuit
- Online recording of skin resistance
- Noise level recording during signal collection
The database contains 549 records from 290 subjects (aged 17 to 87, mean 57.2; 209 men, mean age 55.5, and 81 women, mean age 61.6; ages were not recorded for 1 female and 14 male subjects). Each subject is represented by one to five records. There are no subjects numbered 124, 132, 134, or 161. Each record includes 15 simultaneously measured signals: the conventional 12 leads (i, ii, iii, avr, avl, avf, v1, v2, v3, v4, v5, v6) together with the 3 Frank lead ECGs (vx, vy, vz). Each signal is digitized at 1000 samples per second, with 16 bit resolution over a range of ± 16.384 mV. On special request to the contributors of the database, recordings may be available at sampling rates up to 10 KHz.
Within the header (.hea) file of most of these ECG records is a detailed clinical summary, including age, gender, diagnosis, and where applicable, data on medical history, medication and interventions, coronary artery pathology, ventriculography, echocardiography, and hemodynamics. The clinical summary is not available for 22 subjects. The diagnostic classes of the remaining 268 subjects are summarized below:
|Diagnostic class||Number of subjects|
|Bundle branch block||15|
|Valvular heart disease||6|
Physikalisch-Technische Bundesanstalt (PTB), the National Metrology Institute of Germany, has provided this compilation of digitized ECGs for research, algorithmic benchmarking or teaching purposes to the users of PhysioNet. The ECGs were collected from healthy volunteers and patients with different heart diseases by Professor Michael Oeff, M.D., at the Department of Cardiology of University Clinic Benjamin Franklin in Berlin, Germany. His current address is:
Department of Cardiology
14770 Brandenburg, Germany
The database was prepared for PhysioNet by:
Hans Koch, Prof., Ph.D (email: Hans.Koch@ptb.de)
Ralf Bousseljot, Dr. Ing.
Dieter Kreiseler, Dr. Ing.
Physikalisch-Technische Bundesanstalt, Abbestrasse 2-12, 10587 Berlin, Germany
Lothar Schmitz, M.D.
Charité Medical Center, Campus Virchow-Klinikum
and German Heart Institute, Augustenburger Platz 1, 13353 Berlin, Germany
Bousseljot, R.; Kreiseler, D.; Schnabel, A. Nutzung der EKG-Signaldatenbank CARDIODAT der PTB über das Internet. Biomedizinische Technik, Band 40, Ergänzungsband 1 (1995) S 317
Kreiseler, D.; Bousseljot, R. Automatisierte EKG-Auswertung mit Hilfe der EKG-Signaldatenbank CARDIODAT der PTB. Biomedizinische Technik, Band 40, Ergänzungsband 1 (1995) S 319
Comments on the experience with this dataset from the users of this service would be highly appreciated; in particular, a preprint of any publication relying on some of these ECGs would be very welcome.
Anyone can access the files, as long as they conform to the terms of the specified license.
License (for files):
Open Data Commons Attribution License v1.0
Total uncompressed size: 1.7 GB.
Access the files
- Download the ZIP file (1.7 GB)
- Access the files using the Google Cloud Storage Browser here. Login with a Google account is required.
- Access the data using the Google Cloud command line tools (please refer to the gsutil documentation for guidance):
gsutil -m -u YOUR_PROJECT_ID cp -r gs://ptbdb-1.0.0.physionet.org DESTINATION
- Download the files using your terminal:
wget -r -N -c -np https://physionet.org/files/ptbdb/1.0.0/
|s0369lre.dat (download)||2.6 MB||2004-08-03|
|s0369lre.hea (download)||2.4 KB||2016-03-22|
|s0369lre.xyz (download)||675 KB||2004-08-03|
|s0373lre.dat (download)||2.6 MB||2004-08-03|
|s0373lre.hea (download)||2.4 KB||2016-03-22|
|s0373lre.xyz (download)||675 KB||2004-08-03|
|s0377lre.dat (download)||2.6 MB||2004-08-03|
|s0377lre.hea (download)||2.4 KB||2016-03-22|
|s0377lre.xyz (download)||675 KB||2004-08-03|
|s0417lre.dat (download)||2.6 MB||2004-08-03|
|s0417lre.hea (download)||2.4 KB||2016-03-22|
|s0417lre.xyz (download)||675 KB||2004-08-03|