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Underlying mechanism for inconclusive or poor recordings
| Inconclusive (N = 8) | Poor recording (N = 24) | |
|---|---|---|
| Premature atrial contraction | 1 (12.5%) | 1 (4.2%) |
| Premature ventricular contraction | 2 (25%) | 1 (4.2%) |
| Low-amplitude signal | 1 (12.5%) | 3 (12.5%) |
| Wide QRS complex | 0 | 1 (4.2%) |
| Noise | 2 (25%) | 10 (41.7%) |
| Wandering baseline | 2 (25%) | 7 (29.2%) |
| Unknown | 0 | 1 (4.2%) |
