| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| who invented the artificial heart | 0.47 | 1 | 9136 | 6 | 33 |
| who | 0.96 | 0.3 | 2489 | 90 | 3 |
| invented | 0.09 | 0.3 | 8295 | 48 | 8 |
| the | 0.62 | 0.8 | 2220 | 34 | 3 |
| artificial | 1.47 | 0.5 | 8529 | 65 | 10 |
| heart | 1.38 | 0.2 | 251 | 94 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| who invented the artificial heart | 0.36 | 0.9 | 1392 | 28 |
| who invented the artificial heart valve | 0.97 | 0.1 | 1756 | 29 |
| who invented the first artificial heart | 0.97 | 0.7 | 2945 | 25 |
| when was the artificial heart invented | 1.03 | 0.7 | 8296 | 96 |
| why was the artificial heart invented | 1.7 | 0.3 | 6837 | 63 |
| invented artificial heart | 1.85 | 0.4 | 231 | 12 |
| doctor who invented artificial heart | 1.57 | 0.5 | 868 | 97 |
| who invented the heart valve | 1.24 | 0.3 | 5458 | 62 |
| artificial valve for heart | 1.35 | 1 | 3295 | 57 |
| what is an artificial heart valve | 0.91 | 0.8 | 5913 | 3 |
| artificial heart valve wikipedia | 0.62 | 0.6 | 7381 | 75 |
| inventor of the artificial heart | 0.47 | 0.9 | 9991 | 71 |
| artificial heart valve surgery | 1.23 | 0.7 | 3580 | 62 |
| artificial heart valve replacement | 1.54 | 0.4 | 569 | 99 |
| artificial heart valve design | 0.94 | 0.8 | 6735 | 12 |
| inventor of heart valve replacement | 1.24 | 0.9 | 3639 | 55 |
| artificial mechanical heart valve | 1.17 | 0.9 | 7063 | 35 |
| artificial heart valve picture | 1.43 | 1 | 2901 | 3 |
| artificial aortic heart valve | 1.77 | 0.3 | 2992 | 24 |
| invention of artificial heart | 0.89 | 0.7 | 1856 | 1 |
