| AORN | Association of Operating Room Nurses |
|---|---|
| AR | absolute risk; accounts receivable; achievement ratio; actinic reticuloid [syndrome]; active resista... |
| CSR | central supply room; chart-stimulated recall [test]; Cheyne-Stokes respiration; continued stay revie... |
| DR | degeneration reaction; delivery room; deoxyribose; diabetic retinopathy; diagnostic radiology; digit... |
| EOR | European Organization for Research; exclusive operating room |