| ANOVA | analysis of variance |
| AP | action potential |
| CaV channel | voltage-gated Ca2+ channel |
| EC50 | concentration required for 50% stimulation |
| erg | ether-à-go-go-related gene |
| GV-58 | (2R)-2-[(6-{[(5-methylthiophen-2-yl)methyl]amino}-9-propyl-9H-purin-2-yl)amino]butan-1-ol |
| I–V | current versus voltage |
| I Ca,L | L-type Ca2+ current |
| I K(A) | A-type 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 |
| Ran | ranolazine |
| Ril | riluzole |
| τinact(S) | slow component in the inactivation rate constant |
| TTX | tetrodotoxin |