| S&I | suction and irrigation |
|---|---|
| VI | Roman numeral six; vaginal irrigation; variable interval; vastus intermedius; virgo intacta; virulen... |
| VIS | vaginal irrigation smear; venous insufficiency syndrome; vertebral irritation syndrome; visible; vis... |
| SET | Singlephoton Emission Tomography = SPECT |
| SPECT | Single Photon Emission Computed Tomography = SET |