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The type of arrhythmia used in this paper.
| Classes (instances) | Size of segments |
|---|---|
| Atrial premature beat (A) | 2545 |
| Left bundle branch block (L) | 8068 |
| Right bundle branch block (R) | 7254 |
| Premature ventricular contraction (V) | 7026 |
| Normal (N) | 74955 |
| Total | 99848 |
