| to the lithium source | 5 | location |
| as with a resting ecg | 5 | other |
| as above | 4 | other |
| electrode → be → attached | 82 |
| electrode → be attached at → one end | 3 |
| electrode → be attached → thereto | 3 |
| negative | neutral | positive |
| 0.160 | 0.758 | 0.082 |
| Raw frequency | 88 |
| Normalized frequency | 0.664 |
| Modifier score | 1.000 |
| Perplexity | 487.442 |