| RDRS | rapid disability rating scale |
|---|---|
| REALM | rapid estimate of adult literacy in medicine |
| RED | radiation experience data; rapid erythrocyte degeneration |
| REE | rapid extinction effect; rare earth element; resting energy expenditure |
| REM | rapid eye movement; recent-event memory; reticular erythematous mucinosis; return electrode monitor;... |
| MP RAGE | magnetization prepared rapid acquisition gradient echo |
|---|---|
| NREM | non-rapid eye movement sleep |
| SOREMP | sleep onset rapid eye movement period |