Key facts
- Parameters
- 57.0M params; patch 25 at 100 Hz; embedding 1024
- Architecture
- bidirectional xLSTM (sLSTM/mLSTM), 57.0M params
- Pretraining Data
- CODE (2,322,513 ECGs / 1,676,384 patients), Chapman+Ningbo (45,152), INCART (75 Holter); 100 Hz; SimDINOv2 SSL
- Venue
- npj Digital Medicine 2026
Summary
ECG FM pretrained with SimDINOv2 on CODE + Chapman/Ningbo + INCART. It ranks best overall on BenchECG (published score 0.838) and is the strongest of five ECG FMs on DeepBeat wrist-PPG AF transfer (FT AUROC 0.883).
Reported benchmarks
AFib / arrhythmia
Stanford wrist PPG AF (DeepBeat) · AUROC ↑
#1 of 2
0.883
DeepBeat wrist-PPG AF, full finetune, 5-run mean ±0.019 (npj 2026 BenchECG); same protocol ECGFounder 0.846, ECG-CPC 0.832
AFib / arrhythmia
Stanford wrist PPG AF (DeepBeat) · AUROC ↑
#2 of 2
0.751
Frozen ECG-pretrained encoder on wrist PPG, 5-run mean ±0.013