| s |
without (s with a bar over it) (from Middle English sans, borrowed from Old French sans, Latin sine) |
| S |
sacrum |
| Sx |
symptoms |
| S1 |
first heart sound |
| S2 |
second heart sound |
| S3 |
third heart sound |
| S4 |
fourth heart sound |
| S&O |
salpingo-oophorectomy |
| SA |
sinoatrial node |
| SAAG |
serum–ascites albumin gradient |
| SAB |
staphylococcal bacteremia
spontaneous abortion (that is, miscarriage) |
| SAH |
subarachnoid hemorrhage |
| SAM |
systolic anterior motion of the mitral valve |
| SAN |
sinoatrial node |
| SAPS II |
simplified acute physiology score |
| SAPS III |
simplified acute physiology score |
| SAR |
Seasonal Allergic Rhinitis |
| Sarc |
Sarcoidosis |
| SARS |
severe acute respiratory syndrome |
| SB |
small bowel (see small intestine) |
| SBE |
subacute bacterial endocarditis |
| SBFT |
small bowel follow through |
| SBMA |
spinal bulbar muscular atrophy |
| SBO |
small bowel obstruction |
| SBP |
systolic blood pressure
spontaneous bacterial peritonitis |
| s.c. |
subcutaneous (from Latin subcutis) |
| SCA |
Spinocerebellar ataxia |
| SCC |
squamous cell carcinoma |
| SCD |
sudden cardiac death |
| SCD |
Sequential compression device |
| SCD |
Sickle Cell Disease |
| SCLC |
small cell lung cancer |
| SCID |
severe combined immunodeficiency |
| SCIWORA |
spinal cord injury without radiographic abnormality |
| scope |
microscope or endoscope |
| S.D. |
subdermal |
SD
σ |
standard deviation |
| SDH |
subdural hematoma |
| SDTI |
suspected deep tissue injury |
| SE |
side effect |
| Sed |
sedimentation (rate) (see erythrocyte sedimentation rate) |
| SEE |
syphilis elimination effort |
| Segs |
segmented cells |
| SEM |
systolic ejection murmur (see heart murmur) |
| SERM |
selective estrogen receptor modulator |
| SERT |
serotonin transporter |
| SFA |
superficial femoral artery
serum folic acid |
| SGA |
small for gestational age |
| SG cath |
Swan–Ganz catheter (see pulmonary artery catheter) |
| SG |
Specific Gravity (in Urinanalysis) |
| SGB |
Stellate ganglion Block |
| SGOT |
serum glutamic oxaloacetic transaminase |
| SGPT |
serum glutamic pyruvic transaminase |
SH
SHx |
social history (personal habits, living situation, job) |
| SHBG |
sex hormone-binding globulin |
| shob |
shortness of breath (see dyspnea) |
| SHPT |
Secondary Hyperparathyroidism |
| SHx |
surgical history |
| SI |
International System of Units
suicidal ideation
seriously ill
sacroiliac (joint) |
| SIADH |
syndrome of inappropriate antidiuretic hormone |
| SICU |
surgical intensive care unit |
| SIBO |
small intestinal bacterial overgrowth |
| SID |
Semel in die meaning once daily. Only used in veterinary medicine. |
| SIDS |
sudden infant death syndrome |
| SIL |
squamous intraepithelial lesion |
| SIMV |
synchronized intermittent mechanical ventilation |
| si op. sit |
if needed (from Latin si opus sit) |
| SIRS |
systemic inflammatory response syndrome |
| SIT |
stress inoculation training (see posttraumatic stress disorder) |
| SJS |
Stevens–Johnson syndrome |
| SK |
streptokinase |
| sl |
sublingual |
| SLE |
systemic lupus erythematosus |
| SLEV |
St. Louis virus |
SLN
SLNB |
Sentinel Lymph node biopsy |
| SLR |
straight leg raise (see Lasègue's sign) |
| SLL |
small lymphocytic lymphoma |
| SLP |
Speech-language pathologist |
| SM |
multiple sclerosis (from Latin sclerosis multiplex)
submucosal |
| SMA |
sequential multiple analysis
superior mesenteric artery
spinal muscle atrophy |
| SMA-6 |
six-channel serum multiple analysis |
| SMA-7 |
serum metabolic assay |
| SMN |
statement of medical necessity |
| SMS |
senior medical student |
| SMT |
spinal manipulative therapy |
| SMV |
superior mesenteric vein |
| SN |
student nurse ;
skilled nursing |
| SNB |
sentinel node biopsy (ductal carcinoma) |
| SNF |
Skilled Nursing Facility |
| SNP |
sodium nitroprusside;
single nucleotide polymorphism |
| SNRI |
serotonin–norepinephrine reuptake inhibitor |
| SNV |
sin nombre virus (the most common type of hantavirus) |
| SO |
salpingo-oophoritis |
| SOAP |
subjective, objective, assessment, plan (how physicians’ notes may be organized) |
| SOB |
shortness of breath (see dyspnea) |
| SOBOE |
shortness of breath on exertion |
| SOL |
space-occupying lesion |
| Sol |
solution |
| SOOB |
send out of bed |
| SOS |
if needed (from Latin si opus sit) |
SP
s/p |
status post |
| SPE |
streptococcal pyrogenic exotoxin |
| Spec |
specimen |
| SPECT |
single-photon emission computed tomography |
| SPEP |
serum protein electrophoresis |
| SPET |
single-photon emission tomography |
| Sp. fl. |
spinal fluid (see cerebrospinal fluid) |
| Sp. gr. |
specific gravity |
SQ
sq |
subcutaneous |
| SR |
slow release (see also time release technology (medicine)) |
| SROM |
spontaneous rupture of membranes |
| SRS |
stereotactic radiotherapy |
| SS |
Hemoglobin SS (HbSS) (see in sickle-cell disease = SS disease)
subserosal |
| S/S |
signs & symptoms |
| SSC |
secondary sex characteristics |
| SSI |
Sliding scale insulin |
| SSKI |
potassium iodide solution |
| SSPE |
subacute sclerosing panencephalitis |
| ssRNA |
single-stranded RNA |
| SSRI |
selective serotonin reuptake inhibitor |
| SSSS |
staphylococcal scalded skin syndrome |
| SSS |
sick sinus syndrome |
| ST |
heat stable
speech therapy |
| Staph. |
Staphylococcus |
| STD |
sexually transmitted disease |
| stat |
immediately (from Latin statim) |
| STEC |
Shiga toxin–producing Escherichia coli (another name for enterohemorrhagic E. coli) |
| STEMI |
ST elevation myocardial infarction |
| STH |
somatotropic hormone |
| STI |
sexually transmitted infection
soft tissue injury |
| STN |
Subthalamic nucleus |
| STNR |
symmetrical tonic neck reflex |
| STOP |
Surgical termination of pregnancy (sometimes suction termination of pregnancy) |
Strep.
Strepto. |
Streptococcus |
| STS |
serological test for syphilis |
| Subq |
subcutaneous |
| Supp |
suppository |
| SUV |
Standardized Uptake Value—when used in positron emission tomography (PET) cancer scans—any lesion seen on a scan with a SUV of more than 3 indicates metabolic activity |
| SV |
seminal vesicle
stroke volume |
| SVC |
superior vena cava |
| SVD |
spontaneous vaginal delivery
simple vertex delivery |
| SVG |
Saphenous vein graft |
| SVI |
systemic viral infection |
| SVN |
small volume nebulizer |
| SVR |
systemic vascular resistance |
| SVT |
supraventricular tachycardia |
| SW |
Sturge–Weber syndrome |
| Sx |
surgery
symptoms |
| SXA |
single-energy X-ray absorptiometer |
| SXR |
skull x-ray |
| Sz |
seizure |
