| AF | atrial fibrillation |
| GWAS | genome-wide association studies |
| Pitx2 | paired-like homeodomain transcription factor 2 |
| AAD | antiarrhythmic drug |
| AP | action potential |
| APD | AP duration |
| dVdtmax | maximum upstroke velocity |
| CV | conduction velocity |
| WL | wavelength |
| SR | sinus rhythm |
| RMP | resting membrane potential |
| APD50 | AP duration at 50% |
| APD90 | AP duration at 90% |
| IC50 | half-maximal inhibitory concentration |
| nH | Hill-coefficient value |
| PCC | partial correlation coefficient |
| Prop_L | low dose of propafenone |
| Prop_M | medium dose of propafenone |
| Prop_H | high dose of propafenone |
| Diso_L | low dose of disopyramide |
| Diso_M | medium dose of disopyramide |
| Diso_H | high dose of disopyramide |
| Quin_L | low dose of quinidine |
| Quin_M | medium dose of quinidine |
| Quin_H | high dose of quinidine |
| 1D | one-dimensional |
| INa | fast sodium current |
| Ito | transient outward potassium current |
| IKr | rapid delayed rectifier potassium current |
| IKs | slow delayed rectifier potassium current |
| IKur | ultrarapid delayed rectifier potassium current |
| IK1 | inward rectifier potassium current |
| ICaL | L-type calcium current |
| IBNa | background sodium current |
| IBCa | background calcium current |
| IPK | plateau potassium current |
| IPCa | plateau calcium current |
| INaK | sodium-potassium pump current |
| INcx | sodium-calcium exchange current |
| Iup | the calcium flow through the sarcoplasmic reticulum calcium ATPase (SERCA) |
| Irel | calcium release flow |
| ICaNa | sodium current through the L-type calcium channel |
| ICaK | potassium current through the L-type calcium channel |
| IClCa | calcium-activated chloride current |
| IBCl | background chloride current |
| INaL | late sodium current |