| Name | Info | Provider | Link |
|---|---|---|---|
| Arrhythmia | free resource | MedlinePlus Health Information | https://medlineplus.gov/arrhythmia.html |
| subscription/membership/fee required | Silverchair Information Systems | https://academic.oup.com/cardiovascres/article-lookup/doi/10.1093/cvr/28.11.1662 |