Dictionary of Medical Acronyms & Abbreviations

[ S ]

• SMEDI  stillbirth-mummification, embryonic death, infertility [syndrome]
• SMEI  severe myoclonic epilepsy of infancy
• SMEM  supplemented Eagle minimum essential medium
• SMF  selected minerals in food; streptozocin, mitomycin C, and 5-fluorouracil; submembrane region containing thrombosthenin filaments; substructural molecular fragment
• smf  sodium motive force
• SMFM  shear modulation force microscopy
• SMFP  state medical facilities plan
• SMG  specialty medical group; submandibular gland
• SmG  supramarginal gyrus
• SMH  state mental hospital; strongyloidiasis with massive hyperinfection
• SMHA  state mental health agency
• SMHC  smooth muscle heavy chain myosin
• SMI  Self-Motivation Inventory; senior medical investigator; severe mental impairment; silent myocardial infarction; stress myocardial image; Style of Mind Inventory; supplementary medical insurance; sustained maximum inspiration
• SmIg  surface membrane immunoglobulin
• SMILE  So Much Improvement with a Little Exercise [program]; Survival of Myocardial Infarction: Long-term Evaluation [study]
• SMISS  Silent Myocardial Ischemia Stress Study
• SMK  structured meta knowledge
• SML  smouldering leukemia
• SMM  scintimammography; smoldering multiple myeloma
• SMMD  specimen mass measurement device
• SMMHC  smooth muscle myosin heavy chain
• SMMSE  Standardized Mini-Mental State Examination
• SMN  second malignant neoplasm; stathmin; surgical microscope navigator; survival motor neuron
• SMN^T  telemeric survival motor neuron
• SMNB  submaximal neuromuscular block
• SMO  second medical opinion; senior medical officer; surveillance medical officer
• SMOH  Senior Medical Officer of Health; Society of Medical Officers of Health
• SMON  subacute myeloopticoneuropathy
• SMP  slow moving protease; standard medical practice; submitochondrial particle; sulfamethoxypyrazine; symmetric multiprocessor; sympathetically maintained pain
• SMPC  summary of product characteristics
• SMPR  small mannose 6-phosphate receptor
• SMPV  superior mesenteric portal vein
• SMR  scatter maximum ratio; senior medical resident; sensorimotor rhythm; severe mental retardation; sexual maturity rating; significantly lower mortality rate; skeletal muscle relaxant; somnolent metabolic rate; standardized mortality ratio; stroke with minimum residuum; submucosal resection
• SMRR  submucosal resection and rhinoplasty
• SMRT  silencing mediator of retinoid and thyroid receptors
• SMRV  squirrel monkey retrovirus
• SMS  scalable modeling system; senior medical student; serial motor seizures; Shared Medical Systems; short messaging system; Simvastatin Multicenter Study; Smith-Magenis syndrome; somatostatin; stiff-man syndrome; supplemental minimum sodium
• SMSA  standard metropolitan statistical area
• SMSV  San Miguel sea lion virus
• SMT  Spanish Multicentre Study; spontaneous mammary tumor; stereotactic mesencephalic tractomy; Stockholm Metoprolol Trial; surface mouth technology
• SMTP  simple mail transfer protocol
• S-MUAP  surface-detected motor unit action potential
• SMuLV  Scripps murine leukemia virus
• SMV  skeletal muscle ventricle; superior mesenteric vein
• SMWHS  Seattle Midlife Women's Health Study
• SMX, SMZ  sulfamethoxazole
• SN  school nurse; sclerema neonatorum; scrub nurse; Semantic Network [UMLS]; sensorineural; sensory neuron; serum neutralization; sinus node; spontaneous nystagmus; staff nurse; stromal nodule; student nurse; subnormal; substantia nigra; supernatant; suprasternal notch
• S/N  signal/noise [ratio]; supernatant
• Sn  subnasale
• sn  small nucleolar
• SNA  specimen not available; Student Nurses Association; sympathetic nerve activity
• SNa  serum sodium concentration
• SNagg  serum normal agglutinator
• SNAP  Score for Neonatal Acute Physiology [study]; sensory nerve action potential; S-nitroso-N-acetylpenicillamine; soluble N-ethylmaleimide-sensitive fusion protein attachment protein; Stanford Nutrition Action Program
• SNaP  Study of Sodium and Blood Pressure
• SNAPE  Study of Nicorandil in Angina Pectoris in the Elderly
• SNARE  soluble N-ethylmaleimide-sensitive fusion protein attachment protein receptor
• SNARL  suggested no adverse response level
• SNB  scalene node biopsy
• SNC  spontaneous neonatal chylothorax
• SNCL  sinus node cycle length
• SNCS  sensory nerve conduction studies
• SNCV  sensory nerve conduction velocity
• SND  scatterer number density; sinus node dysfunction; striatonigral degeneration; sympathetic nerve discharge; systematic nodal dissection
• SNDA  Student National Dental Association
• SNDO  Standard Nomenclature of Diseases and Operations
• SNE  sinus node electrogram; subacute necrotizing encephalomyelography
• SNES  suprascapular nerve entrapment syndrome
• SNF  sinus node formation; skilled nursing facility
• SNGBF  single nephron glomerular blood flow
• SNGFR  single nephron glomerular filtration rate
• SNHL  sensorineural hearing loss
• SNIPA  seronegative inflammatory polyarthritis
• SNIVT  Society of Non-Invasive Vascular Technology
• SNJ  nevus sebaceous of Jadassohn
• SNK  Student-Newman-Keuls [procedure]
• SNM  Society of Nuclear Medicine; sulfanilamide
• SNMA  Student National Medical Association
• SNMP  simple network management protocol
• SNMT  Society of Nuclear Medical Technologists
• sno  small nucleolar
• SNOBOL  String-Oriented Symbolic Language
• SNODO  Standard Nomenclature of Diseases and Operations
• SNOMED  Systematized Nomenclature of Medicine
• SNOMED CMT  Systematized Nomenclature of Medicine—Convergent Medical Terminology
• SNOMED CT  Systematized Nomenclature of Medicine—Clinical Terminology
• SNOMED RT  Systematized Nomenclature of Medicine—Reference Terminology
• SNOMED RT/CMT  Systematized Nomenclature of Medicine—Reference Terminology/Convergent Medical Terminology
• SNOP  Systematized Nomenclature of Pathology
• snoRNA  small nucleolar ribonucleic acid [RNA]
• snoRNP  small nucleolar ribonucleoprotein [RNP]
• SNP  school nurse practitioner; single nucleotide polymorphism; sinonasal papilloma; sinus node potential; sodium nitroprusside
• S-NPI  start nuclear polymorphism index
• SNPV  single nucleopolyhedrovirus
• SNR  selective nerve root [block]; semantic network relationship [UMLS]; signal-to-noise ratio; substantia nigra zona reticulata; supernumerary rib
• Snr  substantia nigra zona reticulata
• SNRB  selective nerve root block
• snRNA  small nuclear ribonucleic acid; small nucleolar ribonucleic acid [RNA]
• SNRI  selective serotonin-norepinephrine reuptake inhibitor
• snRNP  small nuclear ribonucleoprotein [RNP]; small nuclear ribonucleoprotein particle
• snRP  small nuclear ribonucleoprotein polypeptide
• SNR_Pix  signal to noise ratio per pixel
• snRPB  small nuclear ribonucleoprotein polypeptide B
• snRPN  small nuclear ribonucleoprotein polypeptide N
• SNRT  sinus node recovery time
• SNRTd  sinus node recovery time, direct measuring
• SNRTi  sinus node recovery time, indirect measuring
• SNS  Senior Nursing Sister; Society of Neurological Surgeons; supplementary nursing system; sympathetic nervous system
• SNSA  seronegative spondyloarthropathy
• S-NSE  serum neuron-specific enolase
• SNST  sciatic nerve stretch test
• SNT  sinuses, nose, and throat; spectral noise threshold
• SNU  skilled nursing unit
• SNuPD  single nucleotide primer extension
• SNV  Sin nombre virus; spleen necrosis virus
• SNVDO  Standard Nomenclature of Veterinary Diseases and Operations
• SNW  slow negative wave
• SO  salpingo-oophorectomy; Schlatter-Osgood [test]; second opinion; sex offender; shoulder orthosis; site of origin; slow oxidative; spheno-occipital [synchondrosis]; spinal orthosis; sphincter of Oddi; standing orders; suboccipital; superior oblique [muscle]; supraoccipital; supraoptic; supraorbital; sutures out; sympathetic ophthalmia
• S&O  salpingo-oophorectomy
• SO₂  oxygen saturation
• SOA  serum opsonic activity; shortness of air; spinal opioid anesthesia; stimulus onset asynchrony; swelling of ankles
• SoA  symptoms of asthma
• SOAA  signed out against advice
• SOAMA  signed out against medical advice
• SOA-MCA  superficial occipital artery to middle cerebral artery
• SOAP  subjective, objective, assessment, and plan [problem-oriented record]
• SOAPIE  subjective, objective, assessment, plan, implementation, and evaluation [problem-oriented record]
• SOAR  Safety of Orbofiban in Acute Coronary Research [study]
• SOB  see order blank; shortness of breath; stool occult blood
• SOBOE  shortness of breath on exertion
• SOBP  spread out Bragg peak [radiotherapy]
• SOC  self-organized criticality; sequential oral contraceptive; Standard Occupational Classification; standards of care; state of consciousness; store-operated [ion] channel; surgical overhead canopy; synovial osteochondromatosis; syphilitic osteochondritis; system-on-a-chip
• SoC  state of consciousness
• SOCIAIDS  Study of Cardiac Involvement in Acquired Immunodeficiency Syndrome [AIDS]
• SoCPA  stage of change for physical activity
• SocSec  Social Security
• SocServ  social services
• SOCRATES  Study of Coronary Revascularization and Therapeutic Evaluations
• SOCS1  suppressor of cytokine signaling 1
• S-OCT  serum ornithine carbamyl transferase
• SOD  septo-optic dysplasia; sphincter of Oddi dysfunction; superoxide dismutase
• sod  sodium
• SODAS  spheroidal oral drug absorption system
• sod bicarb  sodium bicarbonate
• SODF  sperm outer defense fiber
• SODH  sorbitol dehydrogenase
• SOF  Study of Osteoporotic Fractures [in association with strokes]; superior orbital fissure
• SOFA  sequential organ failure assessment
• SOFLC  self-organizing fuzzy logic control
• SOFM  self-organization feature map
• SOG  supraorbital groove
• SOH  sympathetic orthostatic hypotension
• SOHN  supraoptic hypothalamic nucleus
• SOHND  supraomohyoid neck dissection
• SOHO  self-organizing, holarchic, open; Solar and Heliospheric Observatory [spacecraft data]
• SOI  severity of illness; signal of interest
• SOL  solution; space-occupying lesion
• sol  soluble, solution
• SOLD  Stenting after Optimal Lesion Debulking [trial]
• SOLEC  stand on one leg eyes closed
• Soln, sol'n  solution
• SOLVD  Studies of Left Ventricular Dysfunction
• SOM  secretory otitis media; self-organizing map [clustering complex data sets]; sensitivity of method; serous otitis media; somatotropin; state operations manual; superior oblique muscle; suppurative otitis media; supraorbital margin; sustained outward movement [heart]
• SOMA  Student Osteopathic Medical Association; subjective, objective, management, and analytic [scale]
• somat  somatic
• SOMI  sternal occipital mandibular immobilization
• SOMIN  school of medicine information network
• SON  superior olivary nucleus; supraoptic nucleus
• SONET  synchronous optical network transmission
• SONH  spontaneous osteonecrosis of the hip
• SONK  spontaneous osteonecrosis of the knee
• SOO  structured office oral [examination]
• SOOF  suborbital orbicular fat
• SOP  service-object pair; standard operating procedure
• SoP  standard of performance
• SOPA  Survey of Pain Attitudes; syndrome of primary aldosteronism
• SOPCA  sporadic olivopontocerebellar ataxia
• SOPED  Shock Outcome Prediction in the Emergency Department [score]
• SOPHE  Society for Public Health Education
• SOPI  service object pair instance
• SOPO  set of possible occurrences
• SOQ  Suicide Opinion Questionnaire
• SOR  stimulus-organism response; successive over-relaxation [algorithm in imaging]; superoxide release
• SOr  supraorbitale
• sOR  stratified odds ratio
• Sorb, sorb  sorbitol
• SORD  sorbitol dehydrogenase
• SOREM  sleep onset rapid eye movement
• SORF  spliceable open-reading frame
• SOS  self-obtained smear; son of sevenless; Southern Oxidant Study; speed of sound; supplemental oxygen system; surgery on site; Swedish Obesity Study
• SoS  Stent or Surgery [study]
• SOSA  Student Osteopathic Surgical Association
• SOSF  single organ system failure
• SOT  sensory organization test; systemic oxygen transport
• SOWS  subjective opiate withdrawal scale
• SP  sacroposterior; sacrum to pubis; salivary progesterone; schizotypal personality; secretory piece; semi-private [room]; senile plaque; sepiapterin; septal pore; septum pellucidum; sequence processor [radiotherapy]; sequential pulse; serine/proline [rich protein]; seropositive; serum protein; shunt pressure; shunt procedure; silent period; skin potential; sleep deprivation; slow pathway [heart electrical activity]; small protein; smoothed periodogram; soft palate; solid phase; spastic paraplegia; specific protocol; spectrogram; speech pathology; spiramycin; spirometry; spleen; spontaneous proliferation; standards of performance; standard practice; standard procedure; standardized patient; standardized-patient [assessment]; staphylococcal protease; Staphylococcus pneumoniae; status post; steady potential; stimulus to P-wave [ECG]; stool preservative; storage phosphor [radiography]; subliminal perception; substance P; sulfadoxine-pyrimethamine; sulfapyridine; sulfopropyl; summating potential; superimposed pressure; suprapatellar; suprapubic; surface polypeptide; surfactant protein; symphysis pubis; synthase phosphatase; systolic pressure
• Sp  the most posterior point on the posterior contour of the sella turcica; sleep spindle; species; specific; specimen; sphenoid; spine; Spirillum; summation potential
• S/P, s/p  status, post[operative]
• S7P  sedoheptulose-7-phosphate
• S_p  pooled standard deviation [statistics]