| RVSWI | right ventricular stroke work index |
|---|---|
| SFR | screen filtration resistance; stroke with full recovery |
| SHSP | spontaneously hypertensive stroke-prone [rat] |
| SI | International System of Units [Fr. le Systeme International d'Unites]; sacroiliac; saline infusion; ... |
| SMR | senior medical resident; sensorimotor rhythm; severe mental retardation; sexual maturity rating; ske... |