PNS
Peripheral nervous system
PRE
Progressive resistive exercise
prn
As needed
PT
Physical therapy
RA
Rheumatoid arthritis
REM
Rapid eye movement
RN
Registered nurse
Rx
Prescription
S in a circle
Supervision
SCI
Spinal cord injury
SOB
Shortness of breath
s/p
Status post
STS
Sit to stand
stat
Immediately
sup-sit
Supine to sit
sx
Seizure or symptom
T&A
Tonsillectomy and adenoidectomy
TB
Tuberculosis
THR
Total hip replacement
TKR
Total knee replacement
tx
Treatment
txf
Transfer
UA
Unable/unavailable
UE
Upper extremity