| | Dataset | Database | Number of leads | Length of anomaly beat (L) | Number of data points
per lead | Description | Artifact |
| | (1) INCARTDB01 | The St. Petersburg Institute of Cardiological Technics 12-lead Arrhythmia Database
(record I02 from 00.27.40 to 00.27.50) | 11 leads: I, II, III, AVR, AVL, AVF, V1, V2, V3, V4, V5 | No
anomaly | 2,570 | (i) ECGs only consist of normal ECG beats.
(ii) Length of normal beat of almost all beats is 220. | No |
| | (2) MITDB | The MIT-BIH Arrhythmia Database (record 108 from 00.09.30 to 00.09.40) | 1 lead: MLII | 554 | 3,600 | (i) Contains one anomalous beat of premature ventricular contraction. | No |
| | (3) ITDB | The MIT-BIH Long Term Database (record 14046 from 01.41.10 to 01.41.20) | 2 leads: ECG1,
ECG2 | 146
154 | 1,280 | (i) Contains two anomaly ECG beats. | Yes |
| | (4) INCARTDB02 | The St. Petersburg Institute of Cardiological Technics 12-lead Arrhythmia Database
(record I01 from 00.01.40 to 00.01.50) | 12 leads: I, II, III, AVR, AVL, AVF, V1, V2, V3, V4, V5, V6 | 203
217
223 | 2,570 | (i) Contains three anomalous beats with a variety of ECG artifacts present in all leads. | Yes |
| | (5) INCARTDB03 | The St. Petersburg Institute of Cardiological Technics 12-lead Arrhythmia Database
(record I01 from 00.15.30 to 00.15.40) | 12 leads: I, II, III, AVR, AVL, AVF, V1, V2, V3, V4, V5, V6 | 212
223
223
234 | 2,570 | (i) Contains four anomalous ECG beats of premature ventricular contraction (Trigeminy) with various artifacts present in all leads. | Yes |
| | (6) INCARTDB04 | The St. Petersburg Institute of Cardiological Technics 12-lead Arrhythmia Database
(record I01 from 00.00.00 to 00.00.10) | 12 leads: I, II, III, AVR, AVL, AVF, V1, V2, V3, V4, V5, V6 | 203 | 2,570 | (i) Contains one anomalous beat of ventricular ectopic with various artifacts present in all leads. | Yes |
| | (7) INCARTDB05 | The St. Petersburg Institute of Cardiological Technics 12-lead Arrhythmia Database
(record I02 from 00.09.34 to 00.09.40) | 11 leads: I, II, III, AVR, AVL, AVF, V1, V2, V3, V4, V5 | 126 | 1,531 | (i) Contains one anomalous beat with very noisy artifacts in all beats. | Extremely noisy ECG artifacts |
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