| AJ, A/J | ankle jerk |
|---|---|
| AJC | American Joint Committee |
| AJCC | American Joint Committee on Cancer |
| AJCC | American Joint Commission for Cancer |
| AJCCS | American Joint Committee on Cancer Staging |
| AJDL | arteriojugular venous lactate content difference |
| AJDO2 | arteriojugular venous oxygen content difference |
| AJKD | American Journal of Kidney Diseases |
| AJR | abdominojugular reflux maneuver |
| AJS | acute joint syndrome |