| LISP | List Processing Language |
|---|---|
| RP | radial pulse; radiopharmaceutical; rapid processing [of film]; Raynaud phenomenon; reactive protein;... |
| RPM, rpm | rapid processing mode; revolutions per minute |
| CEA | Carcino-Embryonic Antigen [HP 1825-6] ; Oncofetal Antigens ; Glycopro... |
| AA | abdominal aorta; acetic acid; achievement age; active alcoholic; active assistive [range of motion];... |