Abbreviations
PET
Positron emission tomography
A type of medical imaging that uses radioactive tracers to visualize and measure the body's metabolic processes and biological activity
PRN
As needed
As the need arises
RA
Rheumatoid arthritis
A chronic autoimmune disease that primarily affects the joints, causing pain, swelling, and stiffness
ROM
Range of motion
The full movement potential of a joint
Rx
Prescription
Prescription
SIDS
Sudden infant death syndrome
The sudden death of an infant who has no known medical history or cause
STI
Sexually transmitted infection
Any number of diseases that are transmitted through human sexual behaviors
T.I.D
Three times a day
Used in prescriptions to indicate the frequency of medication administration
TB
Tuberculosis
An infectious and sometimes fatal disease that affects the lungs
Tx
Treatment
Treatment