| SPAF | spontaneous paroxysmal atrial fibrillation |
|---|---|
| sPEEP | spontaneous peak end-expiratory pressure |
| SPL | skin potential level; sound pressure level; splanchnic; spontaneous lesion; staphylococcal phage lys... |
| spon, spont | spontaneous |
| Sp | Pn, Sp Pnx spontaneous pneumothorax |