| AP | Action Potential |
| BrS | Brugada syndrome |
| Nav | Sodium voltage-gated channels |
| INa | Inward sodium current |
| WT | Wild type |
| ER | Endoplasmic reticulum |
| Ito= IA | Transient outward potassium current |
| SCA19/22 | Spinocerebellar Ataxia type 19 and 22 |
| LOF | Loss of function |
| GOF | Gain of function |