R

R – right, respirations

r/t – related to

RA – room air, right arm, rheumatoid arthritis

RAC – right antecubital

RBBB – right bundle branch block

RBC – red blood cell

RBS – random blood sugar

RCA – right coronary artery

RCC – renal cell carcinoma

RDW – red cell distribution width

Ref – refused, reference

Reg – regular

Rehab – rehabilitation

REM sleep – rapid eye movement sleep

Resp – respirations, respiratory

Ret – retention

RF – rheumatoid factor

RFA – right forearm

Rhabdo – rhabdomyolysis

RIJ – right internal jugular

RLE – right lower extremity

RLL – right lower lobe

RLQ – right lower quadrant

RLS – restless leg syndrome

RML – right middle lobe

RN – registered nurse

ROM – range of motion

ROS – review of systems

ROSC – return of spontaneous circulation

RPR – rapid plasma reagin

RR – respiratory rate

RRR – regular rate and rhythm

RRT – rapid response team

RTX – radiotherapy

RUA – right upper arm

RUE – right upper extremity

RUL – right upper lobe

RV – residual volume, right ventricle

RVR – rapid ventricular rate/response

RVSP – right ventricular systolic pressure

RWMA – regional wall motion abnormalities

RX – to take, prescription