Browse Medical Abbreviations

S mark; sacral; son; Sulfur (element)
s without
S-A sino-atrial
S. sacral
s.c. subcutaneous(ly)
s.o.s. if necessary
s.q. subcutaneous(ly)
S/A sugar and acetone
S/E side effects
S/P no change after; status post (following)
S/S signs and symptoms
S/Sx signs/symptoms
s/w somewhat
S1 first heart sound
S2 second heart sound
S3 third heart sound
S4 fourth heart sound
SA salicylic acid; sexual assault; sinoatrial; sinus arrhythmia; status asthmaticus; stomach ache
SA node sinoatrial node
SAARD(s) slow-acting antirheumatic drug(s)
SAB spontaneous abortion
SAC short arm cast
SAD seasonal affective disorder
SAE serious adverse event
SAH subarachnoid hemorrhage
SAID steroidal anti-inflammatory drugs
SALT speech and language therapy
SANE sexual assault nurse examiner
SaO2 arterial blood-oxygen saturation
SARS severe acute respiratory syndrome
SAS symptom assessment scale
sat saturate, saturation
SAU standard IgA beta-2 glycoprotein unit
SAVE screen, ask, validate, evaluate/educate
SB small bowel; sinus bradycardia
Sb Antimony (element)
SBAR situation, background, assessment, recommendation
SBE subacute bacterial endocarditis; self breast examination
SBFT small bowel follow-through (x-ray)
SBGM self blood glucose monitoring
SBO small bowel obstruction
sbp spontaneous bacterial peritonitis
SBP systolic blood pressure
sc subcutaneous(ly)
SC subcutaneous; self care
Sc Scandium (element)
SCA sickle cell anemia
SCAD schizoaffective disorder; short-chain acyl-CoA dehydrogenase deficiency
SCAT sheep cell agglutination test
SCC skilled care coordinator
SCD sequential compression device
SCFE slipped capital femoral epiphysis
SCI spinal cord injury; science
sci science
SCID severe combined immunodeficiency
SCLC small cell lung cancer
SCLE subacute cutaneous lupus erythematosus
SCM sternocleidomastoid
SCr serum creatinine
SCT salmon calcitonin; stem cell transplantation
SD standard deviation
SDAT senile dementia of the Alzheimer type
SDH subdural hematoma
SDP single donor platelets
SDS same day services; sodium dodecyl sulfate
SDSU same-day surgery unit
SDT speech discrimination threshold on audiometry
SE substantially equivalent; standard error; side effects
Se Selenium (element)
sec second (time or sequence)
Sed rate sedimentation rate
seg segmented (white cells)
SEM systolic ejection murmur
SEMI subendocardial myocardial infarction
semih. half an hour
sens sensitivity; sensation
seq sequence
SERM selective estrogen receptor modulator
SF synovial fluid; sugar free; serum ferritin; safety factor
SFe Serum Iron
SFI Spondylitis Functional Index
SG Swan-Ganz catheter; suicide gesture; specific gravity
SGA small for gestational age
SGOT serum glutamic oxaloacetic transaminase
SGPT serum glutamic-pyruvic transaminase
SGS subglottic stenosis
SGU standard IgG beta-2 glycoprotein unit
SH social history
SHE safety, health and environment
shld shoulder
SHP hyperparathyroidism
SHU special housing unit
SI suicidal ideation; serious incident; international system of units
Si Silicon (element)
SI units international system of units (systeme international)
SIA strip immunoblot assay
SIADH syndrome of inappropriate antidiuretic hormone
sib sibling
SIB self-injurious behavior
SICU surgical intensive care unit
SIDS sudden infant death syndrome
SIE stroke in evolution
sig signal; signature
Sig. write on label (signa)
SIL squamous intraepithelial lesion
sim similar and simplated
SIMD substance-induced mood disorder
simul simultaneously
SIMV synchronized intermittent mandatory ventilation
SIP sterilization in place
SiPAP synchronized inspiratory positive airway pressure
SIRES stabilize, identify toxin, reverse effect, eliminate toxin, support
SIRI serious incident requiring investigation
SIRS systemic inflammatory response syndrome
SIS saline infusion sonohysterosalpingography
SIVP slow intravenous push
SIW self-inflicted wound
SJS Stevens-Johnson syndrome
SL saline lock; sublingual (under tongue)
sl slight
SLB short leg brace
SLD specific learning disabilities
SLE systemic lupus erythematosus
SLP speech-language pathology
SLR straight leg raise
SLT speech and language therapy
SM synovial membrane; streptomycin; small
sm small
Sm Samarium (element)
SMA sequential multiple analyzer
SMBG self-monitoring of blood glucose
SME subject matter expert; significant medical event
SMG submandibular gland
SMR standardized mortality ratio; submucous /resection
SMU standard IgM beta-2 glycoprotein unit
Sn Tin (element)
SNF skilled nursing facility
SNHL sensorineural hearing loss
SNOMED systematized nomenclature of medicine
SNP single nucleotide polymorphism
SNRI serotonin and norepinephrine reuptake inhibitor
snRNP small nuclear RNP
SNS supplemental nursing system; sympathetic nervous system
SO salpingo-oophorectomy; significant other
SO2 Sulfate
SOAP subjective, objective, assessment, plan
SOAPIER subjective, objective, assessment, plan, intervention, evaluation, response
SOB short(ness) of breath; side of bed
SOBE shortness of breath on exertion
SOBOE short of breath on exertion
SOC standard of care
sol solution
SOMI sternal occipital mandibular immobilizer
sono sonogram
SOP standard operating procedure
SOS help needed (distress signal); sinusoidal obstruction syndrome
SP Sanofi Pasteur; suprapubic (catheter)
sp space; species
sp gr specific gravity
SP/GP suicide precautions/general precautions
SpA spondylarthropathy
SPA single point of access
SPAP systolic pulmonary artery pressure
SPC specialist palliative care; statistical process control
spec specification; specimen
SPECT single-photon emission computed tomography
SPEP serum protein electrophoresis
SPF skin/sun protection factor
sph spherical
SPLATT split anterior tibial tendon transfer
spon AB spontaneous abortion
spon(t) spontaneous
spp species
spt. spirit
sq squamous
SQ subcutaneous(ly)
SR sustained release [medication]; sinus rhythm
Sr Strontium (element)
SRD single rising dose
SRI serotonin reuptake inhibitor
sRNA soluble RNA
SRO single room occupancy
SROM spontaneous rupture of membranes
SRT speech reception threshold on audiometry
ss a half (semis)
SS Sjogren's syndrome
SS# Social Security Number
SSA Social Security Administration
SSc systemic sclerosis
SSDI social security disability insurance
ssDNA single-stranded DNA
SSE soap suds enema
SSI sliding scale insulin
SSKI saturated solution of potassium iodide
SSN Social Security Number
SSNHL sudden sensorineural hearing loss
SSRI selective serotonin reuptake inhibitor
SSS sick sinus syndrome
SSZ sulfasalazine
ST sinus tachycardia
st stomach; straight
st. let it/them stand
Staph staphylococcus
START simple triage and rapid treatment
STAT immediately, at once
stb stillborn
STD sexually transmitted disease
ster sterile
STG short-term goals
STH somatotrophic hormone (somatotropin)
STI sexually transmitted infection
stim stimulation
Strep streptococcus
struct structure
STS serologic test for syphilis
STSG split thickness skin graft
STT short term tests
STU skin test unit
STV short term variability
subcu subcutaneous, subcutaneously
subcut subcutaneous
subling sublingual (under tongue)
subQ subcutaneous
subst substance
SUD single-use device; sudden unexpected death
SUDs single use devices
SUI stress urinary incontinence
SUID sudden unexpected infant death
sup. superior
supf. superficial
supp suppository
supr superior, supervision
surg surgery or surgical
susp. suspension
sut suture
SV stroke volume; supraventricular
SVC superior vena cava
SVD spontaneous vaginal delivery
SVE sterile vaginal examination
SVR systemic vascular resistance; sustained virologic response
SVRI systemic vascular resistance index
SVT supraventricular tachycardia
SW social worker
SWD short wave diathermy
SWI surgical wound infection
Sx symptoms
SX P sexual precautions
sym symmetrical
symp symptoms; symptomatic
syn synthetic
synth synthetic
syph syphilis
syr syringe; syrup
Sz seizure
Sz P seizure precautions