| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| involves a scan of perfusion and ventilation | 1.47 | 0.1 | 3774 | 35 | 44 |
| involves | 1.31 | 0.5 | 7704 | 73 | 8 |
| a | 0.75 | 0.2 | 4219 | 75 | 1 |
| scan | 1.04 | 0.1 | 1571 | 93 | 4 |
| of | 1.37 | 0.8 | 3471 | 85 | 2 |
| perfusion | 0.13 | 0.1 | 4594 | 90 | 9 |
| and | 1.9 | 0.9 | 6299 | 58 | 3 |
| ventilation | 1.78 | 0.8 | 4990 | 19 | 11 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| involves a scan of perfusion and ventilation | 1.39 | 1 | 7383 | 51 |
