S - Without 
S&E - sugar and acetone 
S/S - signs & symptoms 
SA - sinoatrial 
SAA - synthetic amino acid 
SAB - spontaneous abortion 
SAMBA - Society of Ambulatory Anesthes… 
SANE-A - Sexual Assault Nurse Examiner… 
SANE-P - Sexual Assault Nurse Examiner… 
sast - serum aspartate aminotransferas… 
sb - spina bifida 
SBE - Subacute Bacterial Endocarditis 
sbft - small bowel follow through 
SBO - small bowel obstruction 
sbs - short bowel syndrome 
SCCM - Society of Critical Care Medici… 
SCI - Spinal Cord Injury 
SCI/D - spinal cord injury and disorde… 
scr - serum creatinine 
SEM - systolic ejection murmur 
SEN - State Enrolled Nurse 
SG - Swan-Ganz 
sga - small for gestational age 
SGGT - serum gamma-glutamyl transpepti… 
SGNA - Society of Gastroenterology Nur… 
SGOT - Serum glutamic-oxaloacetic tran… 
SGPT - serum glutamic-pyruvic transami… 
SHN - Sexual and reproductive Health N… 
SIADH - Syndrome of inappropriate anti… 
sig - write on label