| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| what causes extra heart sounds | 1.16 | 0.6 | 6388 | 37 |
| what causes heart sounds | 1.37 | 0.9 | 2609 | 56 |
| what causes abnormal heart sounds | 0.05 | 0.5 | 8575 | 49 |
| what causes normal heart sounds | 1.53 | 0.8 | 1950 | 19 |
| what causes the characteristic heart sounds | 0.64 | 1 | 836 | 25 |
| what are heart sounds caused by | 1.13 | 0.1 | 5771 | 2 |
| what causes extra heart beats | 0.08 | 0.1 | 912 | 95 |
| what causes heartbeat sounds | 1.41 | 0.7 | 3268 | 57 |
| what makes heart sounds | 1.88 | 0.2 | 8121 | 47 |
| heart sounds result from | 1.96 | 0.7 | 6475 | 71 |
| extra sound in heart | 1.36 | 1 | 8357 | 2 |
| heart sounds are due to | 0.85 | 0.7 | 827 | 71 |
| what causes the sound of a heartbeat | 0.38 | 1 | 2782 | 94 |
| why does my heart make noise | 0.71 | 1 | 329 | 53 |
