| SPTI | systolic pressure time index |
|---|---|
| ST | esotropia; scala tympani; scaphotrapezoid; sclerotherapy; sedimentation time; semitendinosus; sensor... |
| STI | Scientific and Technical Information; serum trypsin inhibitor; soybean trypsin inhibitor; systolic t... |
| SVI | slow virus infection; stroke volume index; systolic velocity integral |
| SYS-BP | systolic blood pressure |