Top 20 Open Access Cardiology Journal
| Rankings | Journal Title | Publisher | h5-index |
| 1. | American Heart Journal | American Heart Journal | 64 |
| 2. | European Journal of Heart Failure | Wiley-Blackwell | 62 |
| 3. | Annals of Cardiothoracic Surgery | AME Publishing Company | 30 |
| 4. | Angiology | SAGE Publications Inc. | 30 |
| 5. | Journal of Cardiothoracic Surgery | BioMed Central | 24 |
| 6. | Cardiology Research and Practice | Hindawi Publishing Corporation | 24 |
| 7. | Cardiology Journal | Via Medica | 22 |
| 8. | Korean Circulation Journal | Korean Society of Circulation | 19 |
| 9. | ARYA Atherosclerosis | Isfahan Cardiovascular Research Center | 16 |
| 10. | Clinical Medicine Insights: Cardiology | Libertas Academica | 15 |
| 11. | Annals of Pediatric Cardiology | Medknow Publications | 13 |
| 12. | Anatolian Journal of Cardiology | KARE Publishing | 12 |
| 13. | Journal of the Saudi Heart Association | Elsevier | 11 |
| 14. | Revista Uruguaya de Cardiología | Sociedad Uruguaya de Cardiologia | 8 |
| 15. | Cardiologia Croatica | Croatian Cardiac Society | 8 |
| 16. | Case Reports in Cardiology | Hindawi Publishing Corporation | 7 |
| 17. | Interventional Cardiology | Open Access Journals | 6 |
| 18. | Journal of Cardiology and Therapy | ACT Publishing | 5 |
| 19. | Cardiometry | Russian New University | 5 |
| 20. | Cardiology Research | Elmer Press | 5 |
As per Google Scholar h-Index | Date – 19.05.2018