St.-Petersburg Institute of Cardiological Technics 12-lead Arrhythmia
Database
This database consists of 75 annotated recordings extracted from 32
Holter records. Each record is 30 minutes long and contains 12
standard leads, each sampled at 257 Hz, with gains varying from
250 to 1100 analog-to-digital converter units per millivolt. Gains for
each record are specified in its .hea file. The reference
annotation files contain over 175,000 beat annotations in all.
The original records were collected from patients undergoing tests for
coronary artery disease (17 men and 15 women, aged 18-80; mean age: 58).
None of the patients had pacemakers; most had ventricular ectopic beats.
In selecting records to be included in the database, preference was
given to subjects with ECGs consistent with ischemia, coronary artery
disease, conduction abnormalities, and arrhythmias; observations
of those selected included:
| Diagnosis | Patients |
| Acute MI | 2 |
| Transient ischemic attack (angina pectoris) | 5 |
| Prior MI | 4 |
| Coronary artery disease with hypertension |
7 (4 with ECGs consistent with left ventricular hypertrophy) |
| Sinus node dysfunction | 1 |
| Supraventricular ectopy | 18 |
| Atrial fibrillation or SVTA | 3 (2 with paroxysmal AF)
|
| WPW | 2 |
| AV block | 1 |
| Bundle branch block | 3 |
These diagnoses were confirmed by enzyme assays, coronary angiography,
electrophysiological study, and pressure monitoring where necessary.
For each record, the .hea file includes the patient's age, sex, diagnoses,
and a summary of features of the ECG. Each .hea file also includes a
patient number (1-32) that identifies the source recording; all records
with a given patient number were obtained from the same Holter recording.
For convenience, this information is also collected in the files
record-descriptions.txt and
files-patients-diagnoses.txt.
The annotations were produced by an automatic algorithm and then
corrected manually, following the
standard PhysioBank beat annotation
definitions. The algorithm generally places beat annotations in the middle
of the QRS complex (as determined from all 12 leads); the locations have not
been manually corrected, however, and there may be occasional misaligned
annotations as a result.
This database was contributed by the St. Petersburg Institute of
Cardiological Technics (Incart), St. Petersburg, Russia. The database was
initially developed by Viktor Tihonenko
(vmt@incart.ru) and Alexander
Khaustov (avk@incart.ru). Additional
verification was done by Sergey Ivanov and Alexei Rivin (Incart).
Please refer questions and corrections
to avk@incart.ru.
Name Last modified Size Description
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Parent Directory -
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ANNOTATORS 05-Mar-2008 18:37 31 list of annotators
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I01.atr 03-Oct-2007 06:55 5.4K reference annotations
I01.dat 03-Oct-2007 06:55 11M digitized signal(s)
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I01.hea 21-Apr-2008 08:04 487 header file
I02.atr 18-Apr-2008 04:42 5.2K reference annotations
I02.dat 04-Oct-2007 03:00 11M digitized signal(s)
I02.hea 21-Apr-2008 08:04 519 header file
I03.atr 18-Apr-2008 02:22 4.8K reference annotations
I03.dat 04-Oct-2007 03:16 11M digitized signal(s)
I03.hea 21-Apr-2008 08:04 468 header file
I04.atr 18-Apr-2008 02:22 4.7K reference annotations
I04.dat 04-Oct-2007 03:19 11M digitized signal(s)
I04.hea 21-Apr-2008 08:04 517 header file
I05.atr 18-Apr-2008 02:23 3.5K reference annotations
I05.dat 03-Oct-2007 01:36 11M digitized signal(s)
I05.hea 21-Apr-2008 08:04 463 header file
I06.atr 18-Apr-2008 02:29 4.9K reference annotations
I06.dat 03-Oct-2007 01:46 11M digitized signal(s)
I06.hea 21-Apr-2008 08:04 471 header file
I07.atr 18-Apr-2008 02:29 5.3K reference annotations
I07.dat 03-Oct-2007 01:46 11M digitized signal(s)
I07.hea 21-Apr-2008 08:04 486 header file
I08.atr 18-Apr-2008 02:29 4.2K reference annotations
I08.dat 04-Oct-2007 04:27 11M digitized signal(s)
I08.hea 21-Apr-2008 08:04 460 header file
I09.atr 18-Apr-2008 02:27 5.9K reference annotations
I09.dat 03-Oct-2007 01:42 11M digitized signal(s)
I09.hea 21-Apr-2008 08:04 499 header file
I10.atr 18-Apr-2008 02:27 7.2K reference annotations
I10.dat 03-Oct-2007 01:42 11M digitized signal(s)
I10.hea 21-Apr-2008 08:04 471 header file
I11.atr 18-Apr-2008 02:27 4.1K reference annotations
I11.dat 03-Oct-2007 01:42 11M digitized signal(s)
I11.hea 21-Apr-2008 08:04 457 header file
I12.atr 18-Apr-2008 04:45 5.5K reference annotations
I12.dat 03-Oct-2007 01:39 11M digitized signal(s)
I12.hea 21-Apr-2008 08:04 453 header file
I13.atr 03-Oct-2007 01:39 4.0K reference annotations
I13.dat 03-Oct-2007 01:39 11M digitized signal(s)
I13.hea 21-Apr-2008 08:04 422 header file
I14.atr 03-Oct-2007 01:39 3.6K reference annotations
I14.dat 03-Oct-2007 01:39 11M digitized signal(s)
I14.hea 21-Apr-2008 08:04 439 header file
I15.atr 03-Oct-2007 01:47 5.1K reference annotations
I15.dat 03-Oct-2007 01:47 11M digitized signal(s)
I15.hea 21-Apr-2008 08:04 474 header file
I16.atr 18-Apr-2008 02:26 3.0K reference annotations
I16.dat 03-Oct-2007 01:41 11M digitized signal(s)
I16.hea 21-Apr-2008 08:04 505 header file
I17.atr 18-Apr-2008 02:26 3.3K reference annotations
I17.dat 03-Oct-2007 01:41 11M digitized signal(s)
I17.hea 21-Apr-2008 08:04 502 header file
I18.atr 18-Apr-2008 02:37 6.0K reference annotations
I18.dat 03-Oct-2007 01:54 11M digitized signal(s)
I18.hea 21-Apr-2008 08:04 445 header file
I19.atr 18-Apr-2008 02:37 4.0K reference annotations
I19.dat 03-Oct-2007 01:54 11M digitized signal(s)
I19.hea 21-Apr-2008 08:04 445 header file
I20.atr 18-Apr-2008 02:30 5.2K reference annotations
I20.dat 03-Oct-2007 01:50 11M digitized signal(s)
I20.hea 21-Apr-2008 08:04 619 header file
I21.atr 18-Apr-2008 02:30 4.3K reference annotations
I21.dat 05-Oct-2007 04:08 11M digitized signal(s)
I21.hea 21-Apr-2008 08:04 548 header file
I22.atr 18-Apr-2008 02:30 6.1K reference annotations
I22.dat 03-Oct-2007 01:50 11M digitized signal(s)
I22.hea 21-Apr-2008 08:04 557 header file
I23.atr 03-Oct-2007 01:52 4.3K reference annotations
I23.dat 03-Oct-2007 01:52 11M digitized signal(s)
I23.hea 21-Apr-2008 08:04 493 header file
I24.atr 03-Oct-2007 01:53 5.0K reference annotations
I24.dat 03-Oct-2007 01:53 11M digitized signal(s)
I24.hea 21-Apr-2008 08:04 474 header file
I25.atr 03-Oct-2007 01:43 3.3K reference annotations
I25.dat 03-Oct-2007 01:43 11M digitized signal(s)
I25.hea 21-Apr-2008 08:04 466 header file
I26.atr 18-Apr-2008 02:28 2.9K reference annotations
I26.dat 03-Oct-2007 01:43 11M digitized signal(s)
I26.hea 21-Apr-2008 08:04 514 header file
I27.atr 03-Oct-2007 01:38 5.1K reference annotations
I27.dat 18-Apr-2008 04:14 11M digitized signal(s)
I27.hea 21-Apr-2008 08:04 456 header file
I28.atr 03-Oct-2007 01:39 3.4K reference annotations
I28.dat 03-Oct-2007 01:39 11M digitized signal(s)
I28.hea 21-Apr-2008 08:04 438 header file
I29.atr 18-Apr-2008 02:23 5.1K reference annotations
I29.dat 03-Oct-2007 01:36 11M digitized signal(s)
I29.hea 21-Apr-2008 08:04 455 header file
I30.atr 18-Apr-2008 02:23 4.8K reference annotations
I30.dat 03-Oct-2007 01:37 11M digitized signal(s)
I30.hea 21-Apr-2008 08:04 421 header file
I31.atr 18-Apr-2008 02:23 6.3K reference annotations
I31.dat 03-Oct-2007 01:37 11M digitized signal(s)
I31.hea 21-Apr-2008 08:04 449 header file
I32.atr 18-Apr-2008 02:23 3.2K reference annotations
I32.dat 03-Oct-2007 01:37 11M digitized signal(s)
I32.hea 21-Apr-2008 08:04 439 header file
I33.atr 18-Apr-2008 02:31 3.6K reference annotations
I33.dat 05-Oct-2007 05:19 11M digitized signal(s)
I33.hea 21-Apr-2008 08:04 458 header file
I34.atr 18-Apr-2008 02:31 3.8K reference annotations
I34.dat 03-Oct-2007 01:53 11M digitized signal(s)
I34.hea 21-Apr-2008 08:04 495 header file
I35.atr 18-Apr-2008 02:39 7.2K reference annotations
I35.dat 03-Oct-2007 01:57 11M digitized signal(s)
I35.hea 21-Apr-2008 08:04 556 header file
I36.atr 18-Apr-2008 02:39 7.6K reference annotations
I36.dat 05-Oct-2007 05:29 11M digitized signal(s)
I36.hea 21-Apr-2008 08:04 545 header file
I37.atr 03-Oct-2007 01:57 4.8K reference annotations
I37.dat 03-Oct-2007 01:57 11M digitized signal(s)
I37.hea 21-Apr-2008 08:04 526 header file
I38.atr 03-Oct-2007 01:43 5.3K reference annotations
I38.dat 03-Oct-2007 01:43 11M digitized signal(s)
I38.hea 21-Apr-2008 08:04 516 header file
I39.atr 03-Oct-2007 01:44 3.5K reference annotations
I39.dat 03-Oct-2007 01:44 11M digitized signal(s)
I39.hea 21-Apr-2008 08:04 509 header file
I40.atr 03-Oct-2007 01:39 5.2K reference annotations
I40.dat 03-Oct-2007 01:39 11M digitized signal(s)
I40.hea 21-Apr-2008 08:04 493 header file
I41.atr 03-Oct-2007 01:40 3.2K reference annotations
I41.dat 03-Oct-2007 01:40 11M digitized signal(s)
I41.hea 21-Apr-2008 08:04 485 header file
I42.atr 18-Apr-2008 02:30 6.1K reference annotations
I42.dat 03-Oct-2007 01:50 11M digitized signal(s)
I42.hea 21-Apr-2008 08:04 482 header file
I43.atr 18-Apr-2008 02:31 4.3K reference annotations
I43.dat 03-Oct-2007 01:51 11M digitized signal(s)
I43.hea 21-Apr-2008 08:04 502 header file
I44.atr 03-Oct-2007 01:37 4.9K reference annotations
I44.dat 03-Oct-2007 01:37 11M digitized signal(s)
I44.hea 21-Apr-2008 08:04 526 header file
I45.atr 03-Oct-2007 01:37 3.8K reference annotations
I45.dat 03-Oct-2007 01:37 11M digitized signal(s)
I45.hea 21-Apr-2008 08:04 527 header file
I46.atr 18-Apr-2008 02:24 5.2K reference annotations
I46.dat 03-Oct-2007 01:38 11M digitized signal(s)
I46.hea 21-Apr-2008 08:04 540 header file
I47.atr 18-Apr-2008 02:30 3.8K reference annotations
I47.dat 03-Oct-2007 01:48 11M digitized signal(s)
I47.hea 21-Apr-2008 08:04 499 header file
I48.atr 18-Apr-2008 02:30 4.6K reference annotations
I48.dat 03-Oct-2007 01:50 11M digitized signal(s)
I48.hea 21-Apr-2008 08:04 479 header file
I49.atr 18-Apr-2008 06:14 4.2K reference annotations
I49.dat 03-Oct-2007 01:43 11M digitized signal(s)
I49.hea 21-Apr-2008 08:04 459 header file
I50.atr 18-Apr-2008 06:16 5.9K reference annotations
I50.dat 03-Oct-2007 01:43 11M digitized signal(s)
I50.hea 21-Apr-2008 08:04 472 header file
I51.atr 03-Oct-2007 01:38 5.4K reference annotations
I51.dat 18-Apr-2008 04:14 11M digitized signal(s)
I51.hea 21-Apr-2008 08:04 459 header file
I52.atr 03-Oct-2007 01:38 3.4K reference annotations
I52.dat 18-Apr-2008 04:14 11M digitized signal(s)
I52.hea 21-Apr-2008 08:04 460 header file
I53.atr 03-Oct-2007 01:38 4.4K reference annotations
I53.dat 18-Apr-2008 04:14 11M digitized signal(s)
I53.hea 21-Apr-2008 08:04 456 header file
I54.atr 18-Apr-2008 02:26 4.6K reference annotations
I54.dat 05-Oct-2007 05:54 11M digitized signal(s)
I54.hea 21-Apr-2008 08:04 489 header file
I55.atr 18-Apr-2008 02:26 4.2K reference annotations
I55.dat 03-Oct-2007 01:41 11M digitized signal(s)
I55.hea 21-Apr-2008 08:04 454 header file
I56.atr 18-Apr-2008 04:16 3.3K reference annotations
I56.dat 05-Oct-2007 05:55 11M digitized signal(s)
I56.hea 21-Apr-2008 08:04 478 header file
I57.atr 03-Oct-2007 01:56 5.6K reference annotations
I57.dat 03-Oct-2007 01:56 11M digitized signal(s)
I57.hea 21-Apr-2008 08:04 538 header file
I58.atr 03-Oct-2007 01:57 4.5K reference annotations
I58.dat 03-Oct-2007 01:57 11M digitized signal(s)
I58.hea 21-Apr-2008 08:04 508 header file
I59.atr 03-Oct-2007 01:40 4.2K reference annotations
I59.dat 03-Oct-2007 01:40 11M digitized signal(s)
I59.hea 21-Apr-2008 08:04 459 header file
I60.atr 03-Oct-2007 01:40 4.8K reference annotations
I60.dat 03-Oct-2007 01:40 11M digitized signal(s)
I60.hea 21-Apr-2008 08:04 431 header file
I61.atr 18-Apr-2008 02:25 2.8K reference annotations
I61.dat 03-Oct-2007 01:40 11M digitized signal(s)
I61.hea 21-Apr-2008 08:04 450 header file
I62.atr 18-Apr-2008 02:21 4.4K reference annotations
I62.dat 05-Oct-2007 06:04 11M digitized signal(s)
I62.hea 21-Apr-2008 08:04 471 header file
I63.atr 18-Apr-2008 02:22 3.9K reference annotations
I63.dat 03-Oct-2007 01:32 11M digitized signal(s)
I63.hea 21-Apr-2008 08:04 443 header file
I64.atr 03-Oct-2007 01:33 3.7K reference annotations
I64.dat 03-Oct-2007 01:33 11M digitized signal(s)
I64.hea 21-Apr-2008 08:04 455 header file
I65.atr 18-Apr-2008 02:29 5.2K reference annotations
I65.dat 03-Oct-2007 01:47 11M digitized signal(s)
I65.hea 21-Apr-2008 08:04 477 header file
I66.atr 18-Apr-2008 02:29 4.6K reference annotations
I66.dat 03-Oct-2007 01:47 11M digitized signal(s)
I66.hea 21-Apr-2008 08:04 439 header file
I67.atr 18-Apr-2008 02:29 5.8K reference annotations
I67.dat 03-Oct-2007 01:47 11M digitized signal(s)
I67.hea 21-Apr-2008 08:04 447 header file
I68.atr 21-Apr-2008 08:09 5.2K reference annotations
I68.dat 03-Oct-2007 01:42 11M digitized signal(s)
I68.hea 21-Apr-2008 08:04 428 header file
I69.atr 21-Apr-2008 08:09 4.2K reference annotations
I69.dat 03-Oct-2007 01:42 11M digitized signal(s)
I69.hea 21-Apr-2008 08:04 468 header file
I70.atr 18-Apr-2008 06:06 3.3K reference annotations
I70.dat 09-Oct-2007 05:24 11M digitized signal(s)
I70.hea 21-Apr-2008 08:04 443 header file
I71.atr 18-Apr-2008 06:42 3.3K reference annotations
I71.dat 09-Oct-2007 05:24 11M digitized signal(s)
I71.hea 21-Apr-2008 08:04 476 header file
I72.atr 03-Oct-2007 02:39 4.4K reference annotations
I72.dat 03-Oct-2007 02:39 11M digitized signal(s)
I72.hea 21-Apr-2008 08:04 551 header file
I73.atr 03-Oct-2007 01:46 3.9K reference annotations
I73.dat 03-Oct-2007 01:46 11M digitized signal(s)
I73.hea 21-Apr-2008 08:04 555 header file
I74.atr 18-Apr-2008 02:37 4.7K reference annotations
I74.dat 04-Oct-2007 07:35 11M digitized signal(s)
I74.hea 21-Apr-2008 08:04 486 header file
I75.atr 03-Oct-2007 01:54 4.1K reference annotations
I75.dat 03-Oct-2007 01:54 11M digitized signal(s)
I75.hea 21-Apr-2008 08:04 478 header file
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MD5SUMS 02-May-2008 12:42 9.5K
RECORDS 05-Mar-2008 22:49 299 list of record names
SHA1SUMS 02-May-2008 12:42 11K
SHA256SUMS 02-May-2008 12:42 17K
files-patients-diagnoses.txt 01-May-2008 14:09 1.4K
record-descriptions.txt 21-Apr-2008 06:57 3.1K
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