| AADO2, (a-A) DO2 | arterio-alveolar oxygen tension difference |
|---|---|
| A-a O2 | alveolo-arterial oxygen tension |
| AaPO2, (A-a) PO2 | alveolo-arterial oxygen tension difference |
| AJDO2 | arteriojugular venous oxygen content difference |
| AOD | Academy of Operative Dentistry; Academy of Oral Dynamics; adult onset diabetes; anesthesiologist-on-... |