| Abbreviation
|
Meaning
|
| R |
respiration, (right)
|
| RA |
refractory anemia
rheumatoid arthritis
right atrium
room air
|
| RAD |
reflex anal dilatation
right axis deviation
reactive airway disease
radiation absorbed dose
reactive attachment disorder
|
| Rad hys |
radical hysterectomy
|
| RAE |
right atrial enlargement
|
| RAI |
radioactive iodine
|
| RAIU |
thyroid reactive iodine uptake
|
| RAPD |
relative afferent pupillary defect
|
| RAS |
renal artery stenosis
|
| RATLH |
Robotic assisted total laparoscopic hysterectomy
|
| RATVH |
Radical Total Vaginal Hysterectomy
|
| RBBB |
right bundle branch block
|
| RBC |
red blood cells, red blood count
|
| RBE |
relative biologic equivalent
|
| RBLM |
recurrent benign lymphocytic meningitis
|
| RCA |
right coronary artery
|
| RCC |
renal cell carcinoma
|
| RCM |
restrictive cardiomyopathy
right costal margin
|
| RCR |
rotator cuff repair
|
| RCT |
randomized controlled trial
|
| RD |
retinal detachment
|
| RDS |
respiratory distress syndrome (see also infant respiratory distress syndrome)
|
| RDW |
red cell distribution width
|
| REI |
Reproductive Endocrinology and Infertility
|
| REM |
rapid eye movement
roentgen equivalent man
|
| RF |
rheumatoid factor
rheumatic fever
Renal Failure
|
| RFA |
Radiofrequency ablation
|
| RFLP |
restriction fragment length polymorphism
|
| RFT |
renal function test
|
| r/g/m |
rubs/gallops/murmurs (see heart sounds)
|
| Rh |
rhesus factor
|
| Rhabdo |
Rhabdomyolysis
|
| RHC |
right heart catheterization
|
| RHD |
Rheumatic heart disease
|
| RhF |
rheumatoid factor
|
| RIA |
radioimmunoassay
|
| RIBA |
radioimmunoblotting assay
|
| RICE |
rest, ice, compression, and elevation (treatment for a soft tissue injury)
|
| RIF |
rifampin
|
| RIMA |
reversible inhibitor of monoamine oxidase A
|
| RIND |
reversible ischemic neurologic deficit
|
| RL |
Ringer's lactate (that is, lactated Ringer's solution)
|
| RLE |
right lower extremity
|
| RLL |
right lower lobe (of lung)
|
| RLN |
recurrent laryngeal nerve;
regional lymph node
|
| RLQ |
right lower quadrant (of abdomen)
|
| R&M |
Routine + microscopic (General analysis of urine)
|
| RML |
right middle lobe (of lung)
|
| RMS |
rhabdomyosarcoma
|
| RMSF |
rocky mountain spotted fever
|
| RNA |
ribonucleic acid
|
| RNP |
ribonucleoprotein
|
| RNV |
radionuclide ventriculography
|
| RNY |
Roux-en-Y anastomosis
|
| R/O |
rule out
|
| ROA |
right occipital anterior (see childbirth)
|
| ROH |
removal of hardware
|
| ROM |
range of motion
rupture of membranes
|
| ROP |
right occipital posterior (see childbirth)
retinopathy of prematurity
|
| ROS |
review of systems
|
| ROSC |
return of spontaneous circulation
|
| ROW |
Rest of the Week; as in, "Take 2 mg on Monday and 1 mg ROW"
|
| RPGN |
rapidly progressing glomerulonephritis
|
| RPLND |
retroperitoneal lymph node dissection
|
| RPR |
rapid plasma reagin test
|
| RR |
respiratory rate
blood pressure measured with a specific sphygmomanometer
relative risk
|
| RRMS
|
relapsing-remitting multiple sclerosis
|
| RRP |
Recurrent Respiratory Papillomatosis
|
| RRR |
regular rate and rhythm (see pulse)
|
| RRT
|
Renal replacement therapy
|
| r/r/w |
rales, rhonchi, wheezes (lung sounds)
|
| RS cell |
Reed–Sternberg cell
|
| RSB |
Right sternal border
|
| RSI |
rapid sequence induction
|
| RSV |
respiratory syncytial virus
|
| R/t |
related to
|
| RT |
radiotherapy
respiratory therapy
reverse transcriptase
|
| RT-PCR |
reverse transcriptase polymerase chain reaction
|
| RTA |
renal tubular acidosis
|
| RTC |
return to clinic (appointment for outpatient for next medical examination)
|
| RTS |
Revised Trauma Score
|
| RTV |
ritonavir
|
| RUE |
right upper extremity
|
| RUL |
right upper lobe (of lung)
|
| RUQ |
right upper quadrant (see also regions of the abdomen)
|
| RUTI |
recurrent urinary tract infection
|
| RV |
residual volume
right ventricle
review
|
| RVAD |
right ventricular assist device
|
| RVF |
right ventricular failure, or rectovaginal fistula
|
| RVH |
right ventricular hypertrophy
|
| RVR |
rapid ventricular rate (tachycardia)
|
| RVSP |
right ventricular systolic pressure
|
| RVT |
renal vein thrombosis
|
| RW |
rolling walker
|
| Rx or ℞ or Rx |
(R with crossed tail) medical prescription, prescription drug, or remedy
|
| RXN |
reaction
|