| in the treatment of arrhythmias | 6 | transitive-object |
| usually | 2 | degree |
| in the past | 2 | temporal |
| pacemaker → be → helpful | 6 |
| pacemaker → be → useful | 5 |
| pacemaker → be → effective | 5 |
| negative | neutral | positive |
| 0.108 | 0.402 | 0.490 |
| Raw frequency | 16 |
| Normalized frequency | 0.432 |
| Modifier score | 0.800 |
| Perplexity | 186.521 |