| MIT-BIH Arrhythmias Database Detail Information | |||
| Heartbeat Type | Total | ||
| Normal rhythm | 74,607 | ||
| Left bundle branch block | 8069 | ||
| Right bundle branch block | 7250 | ||
| Atrial premature contraction | 2514 | ||
| Premature ventricular contraction | 7127 | ||
| Paced beat | 7020 | ||
| Aberrated atrial premature beat | 150 | ||
| Ventricular flutter wave | 472 | ||
| Fusion of ventricular and normal beat | 802 | ||
| Non-conducted P-wave (Blocked APC) | 193 | ||
| Nodal (Junctional) escape beat | 229 | ||
| Fusion of paced and normal beat | 986 | ||
| Ventricular escape beat | 106 | ||
| Nodal (Junctional) escape beat | 83 | ||
| Atrial escape beat | 16 | ||
| Unclassified beat | 35 | ||
| Total | 109,655 | ||