| CAVO | common atrioventricular orifice |
|---|---|
| EAVC | enhanced atrioventricular conduction |
| EAVN | enhanced atrioventricular nodal [conduction] |
| PAVNRT | paroxysmal atrioventricular nodal reciprocal tachycardia |
| RAVC | retrograde atrioventricular conduction; Royal Army Veterinary Corps |