| RICU | respiratory intensive care unit |
|---|---|
| RIP | radioimmunoprecipitation; reflex inhibiting pattern; respiratory inductance plethysmography |
| RM | radical mastectomy; random migration; radon monitor; range of movement; red marrow; reference materi... |
| RMS | rectal morphine sulfate [suppository]; red man syndrome; repetitive motion syndrome; respiratory mus... |
| RMV | respiratory minute volume |