| ANOVA | analysis of variance |
| AngII | angiotensin II |
| ETA receptor | endothelin type A receptor |
| erg | ether-à-go-go-related gene |
| I-V | current versus voltage |
| IC50 | concentration required for half-maximal inhibition |
| I K(DR) | delayed-rectifier K+ current |
| I K(erg) | erg-mediated K+ current |
| I Na | voltage-gated Na+ current |
| I Na(R) | resurgent INa |
| I Na(W) | window INa |
| NaV channel | voltage-gated Na+ channel |
| KD | dissociation constant |
| SEM | standard error of mean |
| TEA | tetraethylammonium chloride |
| Tef | tefluthrin |
| τinact(S) | slow component of inactivation time course |
| TTX | tetrodotoxin |