| RMR | Resting Metabolic Rate = Resting Energy Expenditure |
|---|---|
| RP | radial pulse; radiopharmaceutical; rapid processing [of film]; Raynaud phenomenon; reactive protein;... |
| MRAP | alpha-2-macroglobulin; maximal resting anal pressure; mean right atrial pressure |
| RAI | radioactive iodine; radioactive isotope; resident assessment instrument; resting ankle index; right ... |
| RE | radium emanation; readmission; rectal examination; reference emitter; reflux esophagitis; regional e... |