| Abbreviation | Definition |
|---|---|
| AICD | Automatic Implanted Cardiac Defibrillator |
| AJC | American Journal of Cardiology |
| ALLIANCE | Aggressive Lipid Lowering Initiation Abates New Cardiac Events |
| ALVC | Additional Left Ventricular Chorda |
| ALVC | Arrhythmogenic Left Ventricular Cardiomyopathy |
| ALVT | Aortico Left Ventricular Tunnel |
| AMS | Auto Mode Switches |
| ANE | Annals of Noninvasive Electrocardiology |
| APSC | Asia Pacific Society of Cardiology |
| APSC | Asian Pacific Society of Cardiology |
| ARVC | Arrhythmogenic Right Ventricular Cardiomyopathy |
| ARVD | Arrhythmogenic Right Ventricular Dysplasia |
| ASNC | American Society of Nuclear Cardiology |
| ASPC | American Society for Preventive Cardiology |
| ASPC | American Society of Preventive Cardiology |
| AVF | augmented voltage [in electrocardiography] |
| AVN | Atrio Ventricular Node |
| AVRT | Atrio Ventricular Reciprocating Tachycardia |
| AVRT | Atrio Ventricular Reentrant Tachycardia |
| AVRT | Atrio Ventricular Reentrant Tachycardias |