| CAVB | complete atrioventricular block |
|---|---|
| CAVD | complete atrioventricular dissociation; completion, arithmetic problems, vocabulary, following direc... |
| CAVO | common atrioventricular orifice |
| EAVC | enhanced atrioventricular conduction |
| EAVN | enhanced atrioventricular nodal [conduction] |