| for accurate arrhythmia diagnosis | 7 | purpose |
| very | 3 | degree |
| ecg → be → essential | 8 |
| ecg → be → important | 5 |
| ecg → be → recommended | 3 |
| negative | neutral | positive |
| 0.082 | 0.544 | 0.374 |
| Raw frequency | 16 |
| Normalized frequency | 0.497 |
| Modifier score | 0.500 |
| Perplexity | 138.046 |