Table 4.
Results of the proposed filtering algorithm on the validation set.
| Rhythm Type | AHA’s Goal | SNR Improvement after Applying Proposed Algorithm | % of Highly Correlated Samples with Desired Clean ECGs before-after Applying Proposed Algorithm | Classification Performance before Applying Proposed Algorithm | Classification Performance after Applying Proposed Algorithm |
|---|---|---|---|---|---|
| Shockable | |||||
| Coarse VF | >90% | 4.1 ± 2.4 dB | 8.1–83.5% | 67.7% | 91.3% |
| Rapid VT | >75% | 3.7 ± 2.6 dB | 20–80% | 62.7% | 78% |
| Non-shockable | |||||
| NSR | >99% | 4.8 ± 2.5 dB | 9–70% | 96.2% | 96.5% |
| Other non-shockables | >95% | 4.5 ± 2.5 dB | 15.7–69% | 91.5% | 92.7% |