| ORMC | oxygen ratio monitor controller |
|---|---|
| REM | rapid eye movement; recent-event memory; reticular erythematous mucinosis; return electrode monitor;... |
| RM | radical mastectomy; random migration; radon monitor; range of movement; red marrow; reference materi... |
| TCM | tissue culture medium; transcutaneous monitor |
| TOF | tetralogy of Fallot; time-of-flight; train of four [monitor]; tracheo[o]esophageal fistula |