Dictionary of Medical Acronyms & Abbreviations

[ R ]

• Rem  roentgen-equivalent-man
• rem  radiation equivalent in man; removal
• REMA  repetitive excess mixed anhydride
• REMAB  radiation-equivalent-manikin absorption
• REMAIN  remission-maintenance [therapy for systemic vasculitis]
• REMATCH  Randomized Evaluation of Mechanical Assistance in the Treatment of Congestive Heart Failure [study]
• REMBRANDT  Rather Exciting and Memorable Blind Randomized Assessment of a New Drug on Three Continents
• REMCAL  radiation-equivalent-manikin calibration
• remit  remittent
• REMO  regional emergency medical organization
• REMP  roentgen-equivalent-man period
• REMPAN  radiation emergency medical preparedness
• REMS  rapid eye movement sleep
• REMT  trigger signal rapid eye movements
• REN  renal; renin
• REn, Ren  replication enhancer
• RENAAL  Reduction of Endpoints in Noninsulin-dependent Diabetes Mellitus with Angiotensin II Antagonist Losartan [trial]
• rENaC  rat epithelial sodium channel
• RENEWAL  Randomized Trial of Endoluminal Reconstruction Using the NIR Stent or Wallstent in Angioplasty of Long Segment Disease
• REO  respiratory enteric orphan [virus]
• REOP  rural elderly outreach program
• REP  reepithelialization; repaglinide; replication protein; rest-exercise program; restriction endonuclease profile; retrograde pyelogram; Rochester Epidemiology Project; roentgen equivalent-physical
• rep  replication; roentgen equivalent-physical
• REPA  replication protein A
• REPAIR  Reperfusion in Acute Infarction, Rotterdam [study]
• repol  repolarization
• REPR  reproductive
• REPS  reactive extensor postural synergy
• rept  let it be repeated
• req  request, requested
• RER  renal excretion rate; replication error; respiratory exchange ratio; rough endoplasmic reticulum
• RER₊  replication error positive
• RERC  Rehabilitation Engineering Research Center
• RERF  Radiation Effects Research Foundation
• RES  radionuclide esophageal scintigraphy; real environment sensing [system]; Reproducibility Echocardiography Study; Rotterdam Elderly Study; reticuloendothelial system
• res  research; resection; resident; residue; resistance
• RESAC  Real-Time Expert System for Advice and Control
• RESCUE  Randomized Evaluation of Salvage Angioplasty with Combined Utilization of Endpoints [trial]
• Res Gen  Research Genetics [database]
• RESIST  Restenosis after Intravascular Ultrasound-guided Stenting [study]
• RESNA  Rehabilitation Engineering Society of North America
• RESOLVD, RESOLVED  Randomized Evaluation of Strategies for Left Ventricular Dysfunction [study]
• resp  respiration, respiratory; response
• Resp Ther  respiratory therapy
• REST  Raynaud's phenomenon, esophageal motor dysfunction, sclerodactyly, and telangiectasia [syndrome]; regressive electroshock therapy; Restenosis Stent Trial
• RESTORE  Randomized Efficacy Study of Tirofiban for Outcomes and Restenosis [trial]
• RESTT  respiratory therapy technician
• resusc  resuscitation
• RET  reticular; reticulocyte; retina; retention; retained; right esotropia
• ret  rad equivalent therapeutic
• RETA  Registry for the Endovascular Treatment of Aneurysms
• retard  retardation, retarded
• ret cath  retention catheter
• RETEST  retention probability is initially estimated [genome computing]
• retic  reticulocyte
• REU  rectal endoscopic ultrasonography
• reu  radiation effect unit
• REV  rat encephalomyelitis virus; reticuloendotheliosis virus
• ReV  regulator of virion
• rev  reverse; review; revolution
• re-x  reexamination
• Rex  regulator x
• R_ext  external resistance [respiration]
• RF  radial fiber; radiofrequency; rapid filling; readiness field; reading factor; receptive field; regurgitant fraction; Reitland-Franklin [unit]; relative flow; relative fluorescence; release factor; renal failure; replacement fluid; replication factor; replicative form; repopulation factor [radiotherapy]; resistance factor; resonant frequency; respiratory failure; respiratory frequency; reticular formation; retroperitoneal fibromatosis; rheumatic fever; rheumatoid factor; riboflavin; risk factor; root canal filling; rosette formation
• R^F  rate of flow
• Rf  [in chromatography] ratio of the distance traveled by solute to the distance traveled by spot of pigment; respiratory frequency; rutherfordium
• R_f  in paper or thin-layer chromatography, the distance that a spot of a substance has moved from the point of application
• rf  radiofrequency; rapid filling
• rFVIII  recombinant factor VIII
• RFA  radiofrequency ablation; requirements for accreditation; resident functional atlas; right femoral artery; right frontoanterior [fetal position]; risk factor of atherosclerosis
• RFB  retained foreign body
• RFC  radiofrequency coil; replication factor C; request for comments; retrograde femoral catheter; rosette-forming cell
• RFCA  radiofrequency catheter ablation
• RFD, RfD  reference dose
• RFDS  Royal Flying Doctors Service [Australia]
• RFE  relative fluorescence efficiency
• RFFIT  rapid fluorescent focus inhibition test
• rFGF1  recombinant fibroblast growth factor 1 [acidic]
• rFGF2  recombinant fibroblast growth factor 2 [basic]
• RFH  right femoral hernia
• RFI  radiofrequency interference; recurrence-free interval; renal failure index; request for information
• RFIED  round femoral inferior epiphysis dysplasia
• RFK  Richardson-Flory-Kops [mask]
• RFL  right frontolateral [fetal position]
• RFLA  rheumatoid-factor-like activity
• RFLP  restriction fragment length polymorphism
• RFLS  rheumatoid-factor-like substance
• RFLV  restriction fragment length variant
• Rfm  rifampin
• RFNA  red fuming nitric acid
• RFP  rapid filling period; recurrent facial paralysis; request for proposal; right frontoposterior [fetal position]
• RF-PMR  radiofrequency-percutaneous myocardial revascularization [revascularization with radiofrequency energy generator]
• RFPS (Glasgow)  Royal Faculty of Physicians and Surgeons of Glasgow
• RFR  rapid fluid resuscitation; refraction
• RFS  relapse-free survival; renal function study; rotating frame spectroscopy
• RFT  respiratory function test; right frontotransverse [fetal position]; rod-and-frame test
• RFU  relative fluorescence unit
• RFV  right femoral vein; Royal Farm virus
• RFW  rapid filling wave
• RG  right gluteal
• Rg  Rodgers [antigen]
• rG  regular gene
• RgasD  relative gas density
• RGB  red-green-blue [imaging]
• RGBMT  renal glomerular basement membrane thickness
• RGC  radio-gas chromatography; remnant gastric cancer; retinal ganglion cell; right giant cell
• RGD  range-gated Doppler; refractional geometric distortions [imaging]
• RGE  relative gas expansion
• RGEA  right gastroepiploic artery
• RGH  rat growth hormone
• RGHBV  Ross' goose hepatitis B virus
• RGI  recovery from growth inhibition
• RGL  random glucose level
• RGM  right gluteus medius
• rGM-CSF  recombinant granulocytemacrophage colony-stimulating factor
• RGN  refinement grouper number; Registered General Nurse
• RGO  reciprocating gait orthosis
• RGP  retrograde pyelography
• RGR  relative growth rate
• RGS  regulation of G_α signaling; Rieger syndrome
• RGU  regional glucose utilization
• RGV  Rio Grande virus
• RH  radiant heat; radiation hybrid; radiological health; reactive hyperemia; recurrent herpes; regulatory hormone; rehabilitation; relative humidity; releasing hormone; renal hemolysis; retinal hemorrhage; reverse hybridization; ribonuclease H; right hand; right-handed [person]; right heart; right hemisphere; right hyperphoria; room humidifier
• Rh  rhesus [factor]; rhinion; rhodamine; rhodium
• Rh+  rhesus positive
• Rh-  rhesus negative
• rh  recombinant human; rheumatic
• r/h  roentgens per hour
• RHA  Regional Health Authority; relative highest avidity; right hepatic artery
• RhA  rheumatoid arthritis
• RhAG  Rh-associated glycoprotein
• RHB  regional hospital board [UK]; right heart bypass
• RHBF  reactive hyperemia blood flow
• rh-BMP  recombinant human bone morphogenetic protein
• RHBs  Regional Hospital Boards
• RHC  rad homolog in Cerevisiae; resin hemoperfusion column; respiration has ceased; right heart catheterization; right hypochondrium; rural health center
• RHCSA  Regional Hospitals Consultants' and Specialists' Association
• RHD  radiological health data; relative hepatic dullness; renal hypertensive disease; rheumatic heart disease
• RhD  Rhesus factor and D antigen
• RHDV  rabbit hemorrhagic disease virus
• RHDV-AST89  rabbit hemorrhagic disease virus AST89
• RHDV-BS89  rabbit hemorrhagic disease virus BS89
• RHDV-FRG  rabbit hemorrhagic disease virus FRG
• RHDV-SD  rabbit hemorrhagic disease virus SD
• RHDV-V351  rabbit hemorrhagic disease virus V351
• rhDNase  recombinant human deoxyribonuclease [DNAse]
• RHE  retinohepatoendocrinologic [syndrome]
• RHEED  reflection high-energy electron diffraction
• rheo  rheology
• rhEPO  recombinant human erythropoietin
• rheu, rheum  rheumatic, rheumatoid
• RHF  restricted Hartree-Fock [level]; right heart failure
• Rh F  rheumatic fever
• rhFVIII  recombinant human factor 8
• rhFSH  recombinant human follicle stimulating hormone
• RHG  right hand grip
• rhG-CSF  recombinant human granulocyte colony-stimulating factor
• rhGH  recombinant human growth hormone
• rhGM-CSF  recombinant human granulocyte macrophage colony-stimulating factor
• RHI  Rural Health Initiative
• RHIA  registered health information administrator
• RhIG  Rh [rhesus] factor immune globulin
• rhIGF  recombinant human insulin-like growth factor [IGF]
• rhIL  recombinant human interleukin
• RHIN  regional health information network
• Rhin  rhinology
• rhino  rhinoplasty
• RHIT  registered health information technician
• RHJSC  Regional Hospital Junior Staff Committee
• RHL  recurrent herpes labialis; right hepatic lobe
• RHLN  right hilar lymph node
• rhm  roentgens per hour at 1 meter
• RHMAP  radiation hybrid mapping program
• RhMK  rhesus monkey kidney
• RhMk  rhesus monkey
• RhMkK  rhesus monkey kidney
• RHMV  right heart mixing volume
• RHN  Rockwell hardness number
• rhnRNP  recombinant heterogeneous nuclear ribonucleoprotein
• Rh_null  erythrocytes which fail to express rhesus antigens
• RHO  rhodopsin; right heeloff
• ρ  Greek letter rho; correlation coefficient; electric charge density; electrical resistivity; mass density; reactivity
• RhoGAM  Rh_oD immune globulin
• RHOM  rhombosine
• RHR  renal hypertensive rat; resting heart rate
• r/hr  roentgens per hour
• RHRV  relative heart rate variability
• RHS  radius head subluxation; Ramsay Hunt syndrome; Rapp-Hodgkin syndrome; reciprocal hindlimb-scratching [syndrome]; Richner-Hanhart syndrome; right hand side; right heelstrike
• RHSC  Royal Hospital for Sick Children
• RHSIG  Rehabilitation Hospitals Special Interest Group
• rhSp1  recombinant human Sp1 protein
• RHT  renal homotransplantation
• RHTC  rural health training center
• rH-TNF  recombinant human tumor necrosis factor
• rh-tPA  recombinant human tissue plasminogen activator
• rhTPO  recombinant human thrombopoietin
• RHU  registered health underwriter; rheumatology
• rHuEPO  recombinant human erythropoietin
• rHuGCF  recombinant human granulocyte colony stimulating factor
• rhuMAb  recombinant human monoclonal antibody