| A-V | arteriovenous; atrioventricular |
|---|---|
| A/V | ampere/volt; arteriovenous |
| AVA | activity vector analysis; antiviral antibody; aortic valve area; aortic valve atresia; arteriovenous... |
| AVDO2 | arteriovenous oxygen saturation difference |
| AVDO2B | arteriovenous oxygen saturation difference, basal |