| abbreviation | dataset_symbol | dataset_aux_string | description |
| aAVNRT | X | avnrt | Aberrated AVNRT |
| aAVRT | X | avrt | Aberrated AVRT |
| ABL12 | | | Ablation and mapping catheter (distal electrodes) |
| AF | X | AFIB | Atrial Fibrillation |
| AFL | X | AFL | Atrial Flutter |
| AIVR | X | IVR | Accelerated Idioventricular Rhythm |
| AP | | | Accessory Pathway |
| aPAC | a | | Aberrated premature atrial beats |
| APB | / | /A | Atrial Paced beats |
| AT | | | Atrial Tachycardia |
| AVB1 | | | AV-Block 1 |
| AVNRT | X | AVNRT | Atrioventricular nodal reentrant tachycardia |
| AVNRT+AVB2 | X | AVNRT+BII | AVNRT with AV-Block 2° |
| AVRT | X | AVRT | Atrioventricular reentrant tachycardia |
| CHD | | | Congenital heart defect |
| cLBBBB | L | | Complete left bundle branch block |
| cRBBBB | R | | Complete right bundle branch block |
| CS12 | | | Coronary sinus electrodes 1/2 (distal) |
| CS34 | | | Coronary sinus electrodes 3/4 |
| CS56 | | | Coronary sinus electrodes 5/6 |
| CS78 | | | Coronary sinus electrodes 7/8 |
| CS90 | | | Coronary sinus electrodes 9/10 (proximal) |
| EAT | X | EAT | Ectopic atrial tachycardia |
| ECG | | | Electocardiogram |
| EPS | | | Electrophysiological study |
| FB | F | | Fusion beats |
| Fusion VPB+NB | f | | Fusion of Ventricular paced beat and Normal Beat |
| IEGM | | | Intracardiac electrograms |
| JEB | | | Junctional escape beats |
| nsVT | | | non-sustained ventricular tachycardia |
| PAC | A | | Premature atrial beats |
| PJC | J | | Premature junctional beats |
| PJRT | | | Permanent junctional reciprocating tachycardia |
| pPAC | A | A-Prex | Preexcitated premature atrial beats |
| PVC | PVC | V | Premature ventricular beats |
| RVA12 | | | Catheter in the right ventricular apex (distal electrodes) |
| SVT | | | Supraventricular tachycardia |
| TOF | | | Tetralogy of Fallot |
| VPB | / | /V | Ventricular Paced beats |
| VT | X | VT | Ventricular tachycardia |
| WFDB | | | Wave Form Database |
| WPW | | | Wolff-Parkinson-White-Syndrome |
| + | (N | Sinus rhythm |
| + | (VT | rhythm of Ventricular Tachycardia |
| + | (IVR | Accelerated Idioventricular Rhythm |
| + | (AVRT | rhythm of Atrioventricular reentrant tachycardia |
| + | (AVNRT | rhythm of Atrioventricular nodal reentrant tachcardia |
| + | (AFIB | rhythm of Atrial Fibrillation |
| + | (EAT | rhythm of Ectopic atrial tachycardia |
| + | (AFL | rhythm of Atrial Flutter |
| + | (A | Ectopic atrial rhythm |
| + | (B | Ventricular bigeminy rhythm |
| + | (J | Junctional rhythm |
| + | (/A | Atrial Paced rhythm |
| + | (/V | Ventricular Paced rhythm |