<Li> Abbreviations for medical organisations and personnel </Li> <Li> Abbreviations for diseases and disorders </Li> <Table> <Tr> <Th> Abbreviation </Th> <Th> Meaning </Th> </Tr> <Tr> <Td> s </Td> <Td> without (s with a bar over it) (from Latin sine) </Td> </Tr> <Tr> <Td> </Td> <Td> sacrum </Td> </Tr> <Tr> <Td> </Td> <Td> symptoms surgery (though deemed by some as inappropriate) </Td> </Tr> <Tr> <Td> </Td> <Td> first heart sound </Td> </Tr> <Tr> <Td> </Td> <Td> second heart sound </Td> </Tr> <Tr> <Td> </Td> <Td> third heart sound </Td> </Tr> <Tr> <Td> </Td> <Td> fourth heart sound </Td> </Tr> <Tr> <Td> S&O </Td> <Td> salpingo - oophorectomy </Td> </Tr> <Tr> <Td> SA </Td> <Td> sinoatrial node </Td> </Tr> <Tr> <Td> SAAG </Td> <Td> serum--ascites albumin gradient </Td> </Tr> <Tr> <Td> SAB </Td> <Td> staphylococcal bacteremia spontaneous abortion (that is, miscarriage) </Td> </Tr> <Tr> <Td> SAD </Td> <Td> seasonal affective disorder subacromial decompression </Td> </Tr> <Tr> <Td> SAH </Td> <Td> subarachnoid hemorrhage </Td> </Tr> <Tr> <Td> SAM </Td> <Td> systolic anterior motion of the mitral valve </Td> </Tr> <Tr> <Td> SAN </Td> <Td> sinoatrial node </Td> </Tr> <Tr> <Td> SAPS II </Td> <Td> simplified acute physiology score </Td> </Tr> <Tr> <Td> SAPS III </Td> <Td> simplified acute physiology score </Td> </Tr> <Tr> <Td> SAR </Td> <Td> seasonal allergic rhinitis sub-acute rehabilitation facility </Td> </Tr> <Tr> <Td> Sarc </Td> <Td> sarcoidosis </Td> </Tr> <Tr> <Td> SARS </Td> <Td> severe acute respiratory syndrome </Td> </Tr> <Tr> <Td> SB </Td> <Td> small bowel (see small intestine) </Td> </Tr> <Tr> <Td> SBE </Td> <Td> subacute bacterial endocarditis </Td> </Tr> <Tr> <Td> SBFT </Td> <Td> small bowel follow through </Td> </Tr> <Tr> <Td> SBMA </Td> <Td> spinal and bulbar muscular atrophy </Td> </Tr> <Tr> <Td> SBO </Td> <Td> small bowel obstruction </Td> </Tr> <Tr> <Td> SBP </Td> <Td> systolic blood pressure spontaneous bacterial peritonitis </Td> </Tr> <Tr> <Td> SBRT </Td> <Td> split beam radiation therapy </Td> </Tr> <Tr> <Td> SC </Td> <Td> Spinal Cord or subcutaneous (from Latin subcutis) </Td> </Tr> <Tr> <Td> SCA </Td> <Td> spinocerebellar ataxia </Td> </Tr> <Tr> <Td> SCAT </Td> <Td> sex cord tumor with annular tubes </Td> </Tr> <Tr> <Td> SCC </Td> <Td> squamous cell carcinoma </Td> </Tr> <Tr> <Td> SCD </Td> <Td> sequential compression device sickle - cell disease sudden cardiac death </Td> </Tr> <Tr> <Td> SCI </Td> <Td> spinal cord injury </Td> </Tr> <Tr> <Td> SCID </Td> <Td> severe combined immunodeficiency </Td> </Tr> <Tr> <Td> SCIWORA </Td> <Td> spinal cord injury without radiographic abnormality </Td> </Tr> <Tr> <Td> SCLC </Td> <Td> small cell lung cancer </Td> </Tr> <Tr> <Td> scope </Td> <Td> microscope or endoscope </Td> </Tr> <Tr> <Td> SCT </Td> <Td> sacrococcygeal tumor </Td> </Tr> <Tr> <Td> SCZ </Td> <Td> schizophrenia </Td> </Tr> <Tr> <Td> S.D. </Td> <Td> subdermal </Td> </Tr> <Tr> <Td> SD σ </Td> <Td> standard deviation </Td> </Tr> <Tr> <Td> SDH </Td> <Td> subdural hematoma </Td> </Tr> <Tr> <Td> SDTI </Td> <Td> suspected deep tissue injury </Td> </Tr> <Tr> <Td> SE </Td> <Td> standard error side effect </Td> </Tr> <Tr> <Td> Sed </Td> <Td> sedimentation (rate) (see erythrocyte sedimentation rate) </Td> </Tr> <Tr> <Td> SEE </Td> <Td> syphilis elimination effort </Td> </Tr> <Tr> <Td> Segs </Td> <Td> segmented cells </Td> </Tr> <Tr> <Td> SEM </Td> <Td> standard error of the mean systolic ejection murmur (see heart murmur) </Td> </Tr> <Tr> <Td> SERM </Td> <Td> selective estrogen receptor modulator </Td> </Tr> <Tr> <Td> SERT </Td> <Td> serotonin transporter </Td> </Tr> <Tr> <Td> SFA </Td> <Td> superficial femoral artery serum folic acid </Td> </Tr> <Tr> <Td> SGA </Td> <Td> small for gestational age </Td> </Tr> <Tr> <Td> SG cath </Td> <Td> Swan--Ganz catheter (see pulmonary artery catheter) </Td> </Tr> <Tr> <Td> SG </Td> <Td> specific gravity (in urinanalysis) </Td> </Tr> <Tr> <Td> SGB </Td> <Td> stellate ganglion block </Td> </Tr> <Tr> <Td> SGOT </Td> <Td> serum glutamic oxaloacetic transaminase </Td> </Tr> <Tr> <Td> SGPT </Td> <Td> seruĺ8m glutamic pyruvic transaminase </Td> </Tr> <Tr> <Td> SH SH </Td> <Td> social ò8 (personal habits, living situation, job) </Td> </Tr> <Tr> <Td> SHBG </Td> <Td> sex hormone - binding globulin </Td> </Tr> <Tr> <Td> shob </Td> <Td> shortness of breath (see dyspnea) </Td> </Tr> <Tr> <Td> SHPT </Td> <Td> secondary hyperparathyroidism </Td> </Tr> <Tr> <Td> SHx </Td> <Td> surgical history </Td> </Tr> <Tr> <Td> SI </Td> <Td> International System of Units suicidal ideation seriously ill sacroiliac (joint) </Td> </Tr> <Tr> <Td> SIADH </Td> <Td> syndrome of inappropriate antidiuretic hormone </Td> </Tr> <Tr> <Td> SICU </Td> <Td> surgical intensive care unit </Td> </Tr> <Tr> <Td> SIBO </Td> <Td> small intestinal bacterial overgrowth </Td> </Tr> <Tr> <Td> SID </Td> <Td> semel in die meaning once daily . Used only in veterinary medicine . </Td> </Tr> <Tr> <Td> SIDS </Td> <Td> sudden infant death syndrome </Td> </Tr> <Tr> <Td> SIL </Td> <Td> squamous intraepithelial lesion </Td> </Tr> <Tr> <Td> SIMV </Td> <Td> synchronized intermittent mechanical ventilation </Td> </Tr> <Tr> <Td> si op. sit </Td> <Td> if needed (from Latin si opus sit) </Td> </Tr> <Tr> <Td> SIRS </Td> <Td> systemic inflammatory response syndrome </Td> </Tr> <Tr> <Td> SIT </Td> <Td> stress inoculation training (see posttraumatic stress disorder) </Td> </Tr> <Tr> <Td> SJS </Td> <Td> Stevens--Johnson syndrome </Td> </Tr> <Tr> <Td> SK </Td> <Td> streptokinase </Td> </Tr> <Tr> <Td> sl </Td> <Td> sublingual </Td> </Tr> <Tr> <Td> SLE </Td> <Td> systemic lupus erythematosus </Td> </Tr> <Tr> <Td> SLEV </Td> <Td> St Louis virus </Td> </Tr> <Tr> <Td> SLL </Td> <Td> small lymphocytic lymphoma </Td> </Tr> <Tr> <Td> SLN </Td> <Td> sublingual nitroglycerin </Td> </Tr> <Tr> <Td> SLN SLNB </Td> <Td> sentinel lymph node biopsy </Td> </Tr> <Tr> <Td> SLP </Td> <Td> speech - language pathologist </Td> </Tr> <Tr> <Td> SLR </Td> <Td> straight leg raise (see Lasègue's sign) </Td> </Tr> <Tr> <Td> SM </Td> <Td> multiple sclerosis (from Latin sclerosis multiplex) submucosal Skeletal Muscle </Td> </Tr> <Tr> <Td> SMA </Td> <Td> sequential multiple analysis superior mesenteric artery spinal muscle atrophy </Td> </Tr> <Tr> <Td> SMA - 6 </Td> <Td> six - channel serum multiple analysis </Td> </Tr> <Tr> <Td> SMA - 7 </Td> <Td> serum metabolic assay </Td> </Tr> <Tr> <Td> SMN </Td> <Td> statement of medical necessity </Td> </Tr> <Tr> <Td> SMS </Td> <Td> senior medical student </Td> </Tr> <Tr> <Td> SMT </Td> <Td> spinal manipulative therapy </Td> </Tr> <Tr> <Td> SMV </Td> <Td> superior mesenteric vein </Td> </Tr> <Tr> <Td> SN </Td> <Td> student nurse; skilled nursing </Td> </Tr> <Tr> <Td> SNB </Td> <Td> sentinel node biopsy (ductal carcinoma) </Td> </Tr> <Tr> <Td> SNF </Td> <Td> skilled nursing facility </Td> </Tr> <Tr> <Td> SNP </Td> <Td> sodium nitroprusside; single nucleotide polymorphism </Td> </Tr> <Tr> <Td> SNRI </Td> <Td> serotonin--norepinephrine reuptake inhibitor </Td> </Tr> <Tr> <Td> SNV </Td> <Td> sin nombre virus (the most common type of hantavirus) </Td> </Tr> <Tr> <Td> SO </Td> <Td> salpingo - oophoritis </Td> </Tr> <Tr> <Td> SOA </Td> <Td> swelling of ankles </Td> </Tr> <Tr> <Td> SOAP </Td> <Td> subjective, objective, assessment, plan (how physicians' notes may be organized) </Td> </Tr> <Tr> <Td> SOB </Td> <Td> shortness of breath (see dyspnea) </Td> </Tr> <Tr> <Td> SOBOE </Td> <Td> shortness of breath on exertion </Td> </Tr> <Tr> <Td> SOL </Td> <Td> space - occupying lesion </Td> </Tr> <Tr> <Td> Sol </Td> <Td> solution </Td> </Tr> <Tr> <Td> SOOB </Td> <Td> send out of bed sitting out of bed </Td> </Tr> <Tr> <Td> SOP </Td> <Td> sterile ophthalmic preparation </Td> </Tr> <Tr> <Td> SOS </Td> <Td> if needed (from Latin si opus sit) </Td> </Tr> <Tr> <Td> SP s / p </Td> <Td> status post; condition after" </Td> </Tr> <Tr> <Td> SPE </Td> <Td> streptococcal pyrogenic exotoxin </Td> </Tr> <Tr> <Td> Spec </Td> <Td> specimen </Td> </Tr> <Tr> <Td> SPECT </Td> <Td> single - photon emission computed tomography </Td> </Tr> <Tr> <Td> SPEP </Td> <Td> serum protein electrophoresis </Td> </Tr> <Tr> <Td> SPET </Td> <Td> single - photon emission tomography </Td> </Tr> <Tr> <Td> spp . </Td> <Td> species, as in bacterial species (e.g. Enterobacteriaceae spp .) </Td> </Tr> <Tr> <Td> Sp . fl . </Td> <Td> spinal fluid (see cerebrospinal fluid) </Td> </Tr> <Tr> <Td> Sp . gr . </Td> <Td> specific gravity </Td> </Tr> <Tr> <Td> SPS </Td> <Td> single point (walking) stick </Td> </Tr> <Tr> <Td> SQ sq </Td> <Td> subcutaneous </Td> </Tr> <Tr> <Td> SR </Td> <Td> slow release (see also time release technology (medicine)) Sinus rhythm </Td> </Tr> <Tr> <Td> SROM </Td> <Td> spontaneous rupture of membranes </Td> </Tr> <Tr> <Td> SRS </Td> <Td> stereotactic radiotherapy sex reassignment surgery </Td> </Tr> <Tr> <Td> SRU </Td> <Td> shock resuscitation unit </Td> </Tr> <Tr> <Td> SS </Td> <Td> hemoglobin SS (HbSS) (see in sickle - cell disease = SS disease) subserosal Sjogren's Syndrome </Td> </Tr> <Tr> <Td> S / S S / Sx </Td> <Td> signs and symptoms </Td> </Tr> <Tr> <Td> SSC </Td> <Td> secondary sex characteristics </Td> </Tr> <Tr> <Td> SSE </Td> <Td> sterile speculum exam </Td> </Tr> <Tr> <Td> SSEP </Td> <Td> somatosensory evoked potential </Td> </Tr> <Tr> <Td> SSI </Td> <Td> sliding scale insulin </Td> </Tr> <Tr> <Td> SSKI </Td> <Td> potassium iodide solution </Td> </Tr> <Tr> <Td> SSPE </Td> <Td> subacute sclerosing panencephalitis </Td> </Tr> <Tr> <Td> ssRNA </Td> <Td> single - stranded RNA </Td> </Tr> <Tr> <Td> SSRI </Td> <Td> selective serotonin reuptake inhibitor </Td> </Tr> <Tr> <Td> SSSI </Td> <Td> skin and skin structure infection (also referred to as acute bacterial skin and skin structure infection - ABSSSI) </Td> </Tr> <Tr> <Td> SSSS </Td> <Td> staphylococcal scalded skin syndrome </Td> </Tr> <Tr> <Td> SSS </Td> <Td> sick sinus syndrome </Td> </Tr> <Tr> <Td> ST </Td> <Td> sore throat speech therapy </Td> </Tr> <Tr> <Td> Staph . </Td> <Td> Staphylococcus </Td> </Tr> <Tr> <Td> STD </Td> <Td> sexually transmitted disease </Td> </Tr> <Tr> <Td> stat </Td> <Td> immediately (from Latin statim) </Td> </Tr> <Tr> <Td> STEC </Td> <Td> Shiga toxin--producing Escherichia coli (another name for enterohemorrhagic E. coli) </Td> </Tr> <Tr> <Td> STEMI </Td> <Td> ST elevation myocardial infarction </Td> </Tr> <Tr> <Td> STH </Td> <Td> somatotropic hormone </Td> </Tr> <Tr> <Td> STI </Td> <Td> sexually transmitted infection soft tissue injury </Td> </Tr> <Tr> <Td> STN </Td> <Td> Subthalamic nucleus soft tissue neck </Td> </Tr> <Tr> <Td> STNR </Td> <Td> Symmetrical tonic neck reflex </Td> </Tr> <Tr> <Td> STOP </Td> <Td> surgical termination of pregnancy (sometimes suction termination of pregnancy) </Td> </Tr> <Tr> <Td> Strep . Strepto . </Td> <Td> Streptococcus </Td> </Tr> <Tr> <Td> STS </Td> <Td> serological test for syphilis soft tissue sarcoma </Td> </Tr> <Tr> <Td> Subq </Td> <Td> subcutaneous </Td> </Tr> <Tr> <Td> SUI </Td> <Td> stress urinary incontinence </Td> </Tr> <Tr> <Td> Supp </Td> <Td> suppository </Td> </Tr> <Tr> <Td> SUV </Td> <Td> standardized uptake value </Td> </Tr> <Tr> <Td> SV </Td> <Td> seminal vesicle stroke volume </Td> </Tr> <Tr> <Td> SVC </Td> <Td> superior vena cava </Td> </Tr> <Tr> <Td> SVD </Td> <Td> spontaneous vaginal delivery simple vertex delivery </Td> </Tr> <Tr> <Td> SVE </Td> <Td> sterile vaginal examination </Td> </Tr> <Tr> <Td> SVG </Td> <Td> Saphenous vein graft </Td> </Tr> <Tr> <Td> SVI </Td> <Td> systemic viral infection </Td> </Tr> <Tr> <Td> SVN </Td> <Td> small volume nebulizer </Td> </Tr> <Tr> <Td> SVR </Td> <Td> systemic vascular resistance </Td> </Tr> <Tr> <Td> SVT </Td> <Td> supraventricular tachycardia </Td> </Tr> <Tr> <Td> SW </Td> <Td> Sturge--Weber syndrome </Td> </Tr> <Tr> <Td> Sx </Td> <Td> symptoms </Td> </Tr> <Tr> <Td> SXA </Td> <Td> single - energy X-ray absorptiometer </Td> </Tr> <Tr> <Td> SXR </Td> <Td> skull x-ray </Td> </Tr> <Tr> <Td> Sz </Td> <Td> seizure </Td> </Tr> </Table> <Tr> <Th> Abbreviation </Th> <Th> Meaning </Th> </Tr>

The medical abbreviation that is a lower case s with a line over it stands for