This database is described in
Please cite this publication when referencing this material, and also include the standard citation for PhysioNet:
This database includes 22 half-hour ECG recordings of subjects who experienced episodes of sustained ventricular tachycardia, ventricular flutter, and ventricular fibrillation. The reference annotation (.atr) files contain only rhythm labels (no beat labels); see this note for a key.
Further reading
Greenwald SD, Albrecht P, Moody GB, Mark RG. Estimating confidence limits for arrhythmia detector performance. Computers in Cardiology 1985; 12:383–386.
Name Last modified Size Description
Parent Directory - 418.atr 09-Aug-1992 22:48 1.4K reference annotations 418.dat 10-Aug-1992 00:03 1.5M digitized signal(s) 418.hea- 10-Aug-1992 00:03 128 header file 419.atr 10-Aug-1992 00:03 806 reference annotations 419.dat 10-Aug-1992 00:03 1.5M digitized signal(s) 419.hea- 10-Aug-1992 00:03 126 header file 420.atr 10-Aug-1992 00:03 132 reference annotations 420.dat 10-Aug-1992 00:03 1.5M digitized signal(s) 420.hea- 10-Aug-1992 00:03 128 header file 421.atr 10-Aug-1992 00:03 1.4K reference annotations 421.dat 10-Aug-1992 00:03 1.5M digitized signal(s) 421.hea- 10-Aug-1992 00:03 127 header file 422.atr 10-Aug-1992 00:03 442 reference annotations 422.dat 10-Aug-1992 00:03 1.5M digitized signal(s) 422.hea- 10-Aug-1992 00:03 125 header file 423.atr 10-Aug-1992 00:03 184 reference annotations 423.dat 10-Aug-1992 00:03 1.5M digitized signal(s) 423.hea- 10-Aug-1992 00:03 128 header file 424.atr 10-Aug-1992 00:03 214 reference annotations 424.dat 10-Aug-1992 00:03 1.5M digitized signal(s) 424.hea- 10-Aug-1992 00:03 126 header file 425.atr 10-Aug-1992 00:03 302 reference annotations 425.dat 10-Aug-1992 00:03 1.5M digitized signal(s) 425.hea- 10-Aug-1992 00:03 125 header file 426.atr 10-Aug-1992 00:03 256 reference annotations 426.dat 10-Aug-1992 00:03 1.5M digitized signal(s) 426.hea- 10-Aug-1992 00:03 128 header file 427.atr 10-Aug-1992 00:03 40 reference annotations 427.dat 10-Aug-1992 00:03 1.5M digitized signal(s) 427.hea- 10-Aug-1992 00:03 128 header file 428.atr 10-Aug-1992 00:03 114 reference annotations 428.dat 10-Aug-1992 00:03 1.5M digitized signal(s) 428.hea- 10-Aug-1992 00:03 128 header file 429.atr 10-Aug-1992 00:03 322 reference annotations 429.dat 10-Aug-1992 00:03 1.5M digitized signal(s) 429.hea- 10-Aug-1992 00:03 129 header file 430.atr 10-Aug-1992 00:03 492 reference annotations 430.dat 10-Aug-1992 00:03 1.5M digitized signal(s) 430.hea- 10-Aug-1992 00:03 128 header file 602.atr 10-Aug-1992 00:03 152 reference annotations 602.dat 10-Aug-1992 00:03 1.5M digitized signal(s) 602.hea- 10-Aug-1992 00:03 125 header file 605.atr 10-Aug-1992 00:03 46 reference annotations 605.dat 10-Aug-1992 00:03 1.5M digitized signal(s) 605.hea- 10-Aug-1992 00:03 125 header file 607.atr 10-Aug-1992 00:03 142 reference annotations 607.dat 10-Aug-1992 00:03 1.5M digitized signal(s) 607.hea- 10-Aug-1992 00:03 127 header file 609.atr 10-Aug-1992 00:03 178 reference annotations 609.dat 10-Aug-1992 00:03 1.5M digitized signal(s) 609.hea- 10-Aug-1992 00:03 126 header file 610.atr 10-Aug-1992 00:03 396 reference annotations 610.dat 10-Aug-1992 00:03 1.5M digitized signal(s) 610.hea- 10-Aug-1992 00:03 129 header file 611.atr 10-Aug-1992 00:03 26 reference annotations 611.dat 10-Aug-1992 00:03 1.5M digitized signal(s) 611.hea- 10-Aug-1992 00:03 127 header file 612.atr 10-Aug-1992 00:03 24 reference annotations 612.dat 10-Aug-1992 00:03 1.5M digitized signal(s) 612.hea- 10-Aug-1992 00:03 126 header file 614.atr 10-Aug-1992 00:03 276 reference annotations 614.dat 10-Aug-1992 00:03 1.5M digitized signal(s) 614.hea- 10-Aug-1992 00:03 127 header file 615.atr 10-Aug-1992 00:03 150 reference annotations 615.dat 10-Aug-1992 00:03 1.5M digitized signal(s) 615.hea- 10-Aug-1992 00:03 128 header file 418.xws 12-Dec-1999 23:33 88 WAVEScript 419.xws 12-Dec-1999 23:33 88 WAVEScript 420.xws 12-Dec-1999 23:33 88 WAVEScript 421.xws 12-Dec-1999 23:33 88 WAVEScript 422.xws 12-Dec-1999 23:33 88 WAVEScript 423.xws 12-Dec-1999 23:33 88 WAVEScript 424.xws 12-Dec-1999 23:33 88 WAVEScript 425.xws 12-Dec-1999 23:33 88 WAVEScript 426.xws 12-Dec-1999 23:33 88 WAVEScript 427.xws 12-Dec-1999 23:33 88 WAVEScript 428.xws 12-Dec-1999 23:33 88 WAVEScript 429.xws 12-Dec-1999 23:33 88 WAVEScript 430.xws 12-Dec-1999 23:33 88 WAVEScript 602.xws 12-Dec-1999 23:33 88 WAVEScript 605.xws 12-Dec-1999 23:33 88 WAVEScript 607.xws 12-Dec-1999 23:33 88 WAVEScript 609.xws 12-Dec-1999 23:33 88 WAVEScript 610.xws 12-Dec-1999 23:33 88 WAVEScript 611.xws 12-Dec-1999 23:33 88 WAVEScript 612.xws 12-Dec-1999 23:33 88 WAVEScript 614.xws 12-Dec-1999 23:33 88 WAVEScript 615.xws 12-Dec-1999 23:33 88 WAVEScript RECORDS 29-Mar-2000 17:13 88 list of record names ANNOTATORS 14-Oct-2000 04:39 33 list of annotators 611.qrs 15-Jul-2002 17:23 8.0K unaudited annotations MD5SUMS 13-Jul-2005 08:27 3.8K SHA1SUMS 13-Jul-2005 08:28 4.5K SHA256SUMS 18-Sep-2007 18:40 6.9K 418.hea 06-Apr-2008 00:05 94 header file 419.hea 06-Apr-2008 00:05 92 header file 420.hea 06-Apr-2008 00:05 94 header file 421.hea 06-Apr-2008 00:05 93 header file 422.hea 06-Apr-2008 00:05 91 header file 423.hea 06-Apr-2008 00:05 94 header file 424.hea 06-Apr-2008 00:05 92 header file 425.hea 06-Apr-2008 00:05 91 header file 426.hea 06-Apr-2008 00:05 94 header file 427.hea 06-Apr-2008 00:05 94 header file 428.hea 06-Apr-2008 00:05 94 header file 429.hea 06-Apr-2008 00:05 95 header file 430.hea 06-Apr-2008 00:05 94 header file 602.hea 06-Apr-2008 00:05 91 header file 605.hea 06-Apr-2008 00:05 91 header file 607.hea 06-Apr-2008 00:05 93 header file 609.hea 06-Apr-2008 00:05 92 header file 610.hea 06-Apr-2008 00:05 95 header file 611.hea 06-Apr-2008 00:05 93 header file 612.hea 06-Apr-2008 00:05 92 header file 614.hea 06-Apr-2008 00:05 93 header file 615.hea 06-Apr-2008 00:05 94 header file annotations.shtml 06-Jan-2012 03:02 2.2K DOI 21-Sep-2015 19:00 19 local.css 28-Oct-2015 22:40 3.2K
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