| AVRP |
atrioventricular refractory period |
| AVSD |
atrioventricular septal defect |
| CAVB |
complete atrioventricular block |
| CAVD |
complete atrioventricular dissociation; completion, arithmetic problems, vocabulary, following direc... |
| CAVO |
common atrioventricular orifice |