Neurosurgical Abbreviations
- R -

R          right

RA       right atrium (of heart) or rheumatoid arthritis

rad       radiation absorbed dose

RALT   right anterior lateral thigh

RAP     responsible adult person

RAZ     retrograde needle suspension of bladder

RBB     retrobulbar block

RBBB   right bundle branch block

RBC     red blood cell

RISS    regular insulin sliding scale

RCD     relative cardiac dullness

RCP     respiratory care practitioner

RCT     randomized clinical trial or randomized controlled trial

RDS     respiratory distress syndrome

re:        regarding

rec       recreational

reg.      regular

Rehab  rehabilitation

Retic    reticulocyte (blood element)

REM     rapid eye movements (of sleep)

rem.     remove

rep.      repair

req.      request

resp.    respiration

rev.      revision

REZ     root entry zone

RFB     retained foreign body

RFS     rapid frozen section

RFTC   radiofrequency thermal coagulation

Rh        Rhesus factor (blood antigen)

RH       recurrent artery of Heubner

RHD     rheumatic heart disease

RIA      radio-immuno assay (blood test)

RIND    reversible ischemic neurologic deficit (mini-stroke)

RISA    radioiodinated serum albumin

RIT       regenerative injection therapy (prolotherapy, sclerotherapy)

RK       radial keratotomy

RLE      right lower extremity (leg)

RLF      retrolental fibroplasia

RLL      right lower lobe (lung)

RLQ     right lower quadrant (abdomen)

RLS     Ringer's lactate solution

RML     right middle lobe (lung)

R.N.     Registered Nurse

R.N.A.  Registered Nurse Anesthetist

RO       right oblique

r/o        rule out

ROE     right otitis externa

ROM    range of motion

ROS     review of systems

RPA     recursive partitioning analysis

rpm      revolutions per minute

RR       respiratory rate

R.R.     Recovery Room

R&R     recess and recovery

R.R.A.  Registered Records Administrator

RRR     regular rate and rhythm

RRT     registered respiratory therapist

RSD     reflex sympathetic dystrophy

RSI       repetitive strain (or stress) injury

RSLR   reverse straight leg raising test

RSR     regular sinus rhythm (heart rhythm)

RSV     respiratory syncytial virus

Rt         right

RTC     around the clock

Rte       route

RTOG  Radiation Therapy Oncology Group

RTW    return to work

RTx      radiation therapy

RUE     right upper extremity (arm)

RUL     right upper lobe (lung)

RUOQ  right upper outer quadrant

RUQ     right upper quadrant (abdomen)

RV       rectovaginal or right ventricle

RVE     right ventricular enlargement

RVH     right ventricular hypertrophy

R.V.S.  Relative Value Study (fee schedule)

R-wave   electrocardiographic wave

Rx        treatment or prescribing Information

If you are aware of any abbreviations not in this list, your help would be greatly appreciated.  Please send me any abbreviations not on the list and I will update the web site.  Click here to send a comment.