| VA shunt | Ventriculo-Atrial shunt |
|---|---|
| A-a | alveolar-atrial |
| AAS | Aarskog-Scott [syndrome]; acid aspiration syndrome; alcoholic abstinence syndrome; American Academy ... |
| ac | acceleration; acetyl; acid; acromioclavicular; acute; alternating current; antecubital; anterior cha... |
| ACV | acute cardiovascular [disease]; acyclovir; assisted controlled ventilation; atrial/carotid/ventricul... |