MIT-BIH Arrhythmia DB via the Kachuee 2018 preprocessing (Kaggle 'ECG Heartbeat Categorization'), 125 Hz. Normal sinus rhythm (NSR), single-channel; classic P-QRS-T morphology, ~1 Hz heart-rate.
Standard analysis sees: right-skewed; time-irreversible (sharp rises, slow decay); multifractal. The atlas finds no named structure, but the source is distinctively extreme on E8 Lattice:std_profile (+4.1z) — beyond what the standard bank predicts for it.
E8 Lattice:std_profile | +4.1z | bank-miss 1.3σ |









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| Nearest neighbor | Distance | |
|---|---|---|
| ECG Supraventr. | 1.91 | |
| ECG Ventricular | 2.04 | |
| ECG Fusion | 2.47 |
E8 Lattice › E8 Lattice:std_profile | rank 4/307 | 8.3592 |