This database is described in
Please cite this publication when referencing this material, and also include the standard citation for PhysioNet:
The authors of the first reference above report “post-ictal heart rate oscillations in a heterogeneous group of patients with partial epilepsy. This pattern is marked by the appearance of transient but prominent low-frequency heart rate oscillations (0.01 - 0.1 Hz) immediately following five of 11 seizures recorded in five patients. This finding may be a marker of neuroautonomic instability, and, therefore, may have implications for understanding perturbations of heart rate control associated with partial seizures.”
The annotated ECG recordings on which this study was based may be downloaded from this page. Each recording consists of a (text) header file (with suffix .hea), a (binary) signal file (with suffix .dat), and a (binary) annotation file (with suffix .ari); these files may be read using the WFDB software package. The text file times.seize indicates the intervals of the seizure in each recording, based on simultaneously recorded EEGs (not available).
Name Last modified Size Description
Parent Directory - ANNOTATORS 2000-10-13 22:36 58 list of annotators DOI 2015-09-21 13:00 19 MD5SUMS 2005-07-13 02:26 1.4K RECORDS 2000-03-29 10:13 35 list of record names SHA1SUMS 2005-07-13 02:26 1.7K SHA256SUMS 2007-09-18 12:40 2.6K sz01.ari 1998-05-01 12:49 16K unaudited annotations sz01.dat 1998-05-01 12:49 2.1M digitized signal(s) sz01.hea 2008-04-05 18:05 57 header file sz01.hea- 1999-11-04 15:29 62 header file sz01.xws 1999-12-12 17:33 89 WAVEScript sz02.ari 1998-03-27 12:45 26K unaudited annotations sz02.dat 1998-03-26 12:35 4.8M digitized signal(s) sz02.hea 2008-04-05 18:05 57 header file sz02.hea- 1999-11-04 15:29 62 header file sz02.xws 1999-12-12 17:33 89 WAVEScript sz03.ari 1998-03-27 12:40 32K unaudited annotations sz03.dat 1998-03-26 12:37 5.2M digitized signal(s) sz03.hea 2008-04-05 18:05 56 header file sz03.hea- 1999-11-04 15:29 61 header file sz03.xws 1999-12-12 17:33 89 WAVEScript sz04.ari 1998-03-27 12:50 12K unaudited annotations sz04.dat 1998-03-26 12:40 2.1M digitized signal(s) sz04.hea 2008-04-05 18:05 56 header file sz04.hea- 1999-11-04 15:29 61 header file sz04.xws 1999-12-12 17:33 89 WAVEScript sz05.ari 1998-07-16 11:29 16K unaudited annotations sz05.dat 1998-03-26 15:00 2.1M digitized signal(s) sz05.hea 2008-04-05 18:05 56 header file sz05.hea- 1999-11-04 15:29 61 header file sz05.xws 1999-12-12 17:33 89 WAVEScript sz06.ari 1998-07-30 12:52 25K unaudited annotations sz06.dat 1998-03-26 15:02 4.1M digitized signal(s) sz06.hea 2008-04-05 18:05 56 header file sz06.hea- 1999-11-04 15:29 61 header file sz06.xws 1999-12-12 17:33 89 WAVEScript sz07.ari 1998-05-22 14:52 35K unaudited annotations sz07.dat 1998-05-01 12:50 2.7M digitized signal(s) sz07.hea 2008-04-05 18:05 56 header file sz07.hea- 1999-11-04 15:29 61 header file sz07.xws 1999-12-12 17:33 89 WAVEScript szdb.shtml 2012-01-05 21:02 11K times.seize 1999-11-04 15:29 230
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