| s-1 | cycles per second |
|---|---|
| S-A | sinoatrial; sinoauricular |
| S-AMY | serum amylase |
| S-BD | seizure-brain damage |
| S-C | sickle cell |
| S-CPR | standard post-compression remodeling |
| S-D | sickle-cell hemoglobin D; suicide-depression |
| S-G catheter | Swan-Ganz catheter; |
| S-Gt | Sachs-Georgi test |
| S-Hb | sulfhemoglobin |