| Abbreviation | Definition |
|---|---|
| ROQ | Right Outer Quadrant |
| ROS | Return of Old Symptoms |
| ROSC | Return Of Spontaneous Circulation |
| ROT | Right Occiput Transverse |
| ROT | Rotation |
| RP | Rejection Probability |
| RP | Rejuvenation Patch |
| RP | Retinitis Pigmentosa |
| RP | Retrograde Pyelogram |
| RP | rotating platform |
| RPA | Ravenswood Physician Associates |
| RPB | Random Psycho Babble |
| RPC | Reports Of Patents Cases |
| RPD | Renal Pelvic Diameter |
| RPD | Right Posterior Descending |
| RPE | Rate of Perceived Exertion |
| RPE | Rate of Pregnancy Exercise |
| RPE | Regular Pulse Excitation |
| RPE | Retinal Pigment Epithelium |
| RPF | Regulation of Pathogenicity Factors |