q
every
qd
every day
qh
every hour
q2h
every 2 hours
q3h
every 3 hours
q4h
every 4 hours
qhs
every night at bedtime
qid
four times a day
qod
every other day
qt
quart
R
respiration, rectal
Rt
right
RBC
right blood cell
RDA
recommended daily allowance
RN
registered nurse
R/O
rule out
ROM
range of motion
RR
recovery room
RRT
registered respiratory therapist, registered radiologic technologist
RT
respiratory therapy/therapist
Rx
prescription, take, treatment