| Abbreviation | Definition |
|---|---|
| RSCN | Registered Sick Children’s Nurse (obsolete title) |
| RSCN | Registered Sick Childrens Nurse (obsolete title) |
| RSH | rectus sheath haematoma |
| RSH | right heart failure |
| RSH | Royal Society of Health (Royal Society of Public Health) |
| RSI | repetitive strain injury |
| RSI | Rush Sexual Inventory |
| RSM | recurrent spontaneous miscarriage |
| RSM | restriction site mutation |
| RSV | right saphenous vein |
| RSV | right sinus of Valsalva |
| RSV | right subclavian vein |
| RSW | Registered Social Worker |
| RSW | Right sided weakness |
| RTA | Road Traffic Accidents |
| RTI | Rebound Therapy Institute |
| RTI | reproductive tract infection |
| RTI | reverse transcriptase inhibitor |
| RTI | road traffic incident |
| RTI | routine task inventory |