| AO | abdominal aorta; achievement orientation; acid output; acridine orange; ankle orthosis; anodal openi... |
|---|---|
| AVO | aortic valve opening; aortic valve orifice; atrioventricular opening |
| ACSV | aortocoronary saphenous vein |
| ACSVBG | aortocoronary saphenous vein bypass graft |
| saph | saphenous |