25,729 articles
Snare polypectomy
Snare polypectomy is an endoscopic procedure that removes gastrointestinal polyps with a wire loop tightened around the polyp, the standard method for colorectal polyps up to 19 mm.
Sneddon syndrome
Sneddon syndrome (Ehrmann-Sneddon syndrome, ORPHA:820) is a rare non-inflammatory thrombotic vasculopathy combining livedo racemosa with recurrent cerebrovascular ischemic events, mainly in young women, treated with anticoagulation.
Sneeze
Sneeze (sternutation): involuntary, forceful burst of air from the lungs through nose and mouth, triggered by nasal or throat irritation. Key facts: ~40,000 droplets per sneeze, NMB-mediated trigeminal-brainstem reflex pathway, photic sneeze reflex (ACHOO) in about one in three people.
Sneezing
Sneezing (sternutation): a protective airway reflex expelling nasal irritants via trigeminal nerve and brainstem NMB pathway; caused by allergies, infections, light; up to 40,000 droplets per sneeze.
Snellen chart
The Snellen chart, also known as the Snellen eye chart or Snellen test, measures visual acuity with rows of shrinking letters; Herman Snellen published it in 1862.
Snoring
Snoring: audible vibration of upper-airway soft tissues, mainly the soft palate, during sleep. Affects up to 50% of adults; ranges from benign primary snoring to a marker of obstructive sleep apnea; treated with weight loss, oral appliances, CPAP, or surgery.
SNORT trial
SNORT (NCT06330116) is a Swedish-Danish randomized trial led by Region Västerbotten comparing IQoro oral screen, eXciteosa neuromuscular electrical training, and group training for reducing AHI, snoring, and sleepiness in 141 adults with mild to moderate sleep apnea.
Snowflake vitreoretinal degeneration
Snowflake vitreoretinal degeneration (SVD, OMIM 193230) is a rare autosomal dominant vitreoretinopathy with retinal snowflake deposits, fibrillar vitreous degeneration, early cataract, corneal guttae, and retinal detachment risk, caused by KCNJ13 (Kir7.1) mutations.
SO-4
SO-4 (SO4, CVCL_VN48) is an IL-2-dependent human T-cell cancer line from a 59-year-old Japanese woman with HTLV-1-driven adult T-cell leukemia/lymphoma; TP53 p.Pro223His; parent of Fas-resistant RSO4.
SOAP note
SOAP note: Subjective, Objective, Assessment, Plan progress-note format invented by Lawrence Weed for the problem-oriented medical record (1964/1968); APSO variant moves assessment and plan to the top; widely used in EHRs and AI note generation.
SOAR-CSNI trial
SOAR-CSNI (NCT04890925) is a UBC randomized, double-masked, three-arm trial of a community support network intervention (cognitive training, aerobic exercise, mindfulness, counselling) for women with intimate partner violence-related traumatic brain injury, enrollment 78, started May 2022.
Sobriety
Sobriety: abstinence from alcohol or drugs, clinically tied to recovery from alcohol use disorder (NIAAA definitions) and culturally to the sober curious movement, Dry January, temperance history, and mutual-help groups like AA and SMART Recovery.
Social anxiety
Social anxiety (social phobia, social anxiety disorder) is persistent fear of scrutiny in social situations, affecting 7.1% of U.S. adults yearly; first-line treatment is individual CBT, with SSRIs/SNRIs as medication options.
Social anxiety disorder
Social anxiety disorder, previously known as social phobia, is a common anxiety condition involving lasting fear of scrutiny, judgment, or embarrassment in social and performance situations.
Social Communication Questionnaire
The Social Communication Questionnaire (SCQ), formerly the Autism Screening Questionnaire, is a 40-item yes/no parent questionnaire that screens children over age 4 for autism spectrum disorder.
Social Conditions
Social Conditions is a MeSH descriptor (D012924) meaning the state of society as it exists or in flux, also called Living Conditions; closely tied to the WHO social determinants of health and health inequities.
Social determinants of health
Social determinants of health (SDOH) are the non-medical conditions in which people are born, grow, live, work, and age, plus the wider forces shaping them; they drive health inequities, including an 18-year life expectancy gap between high- and low-income countries.
Social distancing
Social distancing, also called physical distancing, is a public health measure reducing disease transmission by limiting contact between people. Covers its 1963 term origin, 1377 quarantine roots, 1918 flu evidence, WHO 1-meter guidance, and measured COVID-19 effects.
Social Marketing
Social marketing is the application of commercial marketing concepts and tools to influence voluntary behavior for social good rather than profit, widely used in public health campaigns judged against eight benchmark criteria.
Social media and suicide
Social media and suicide covers contagion risks (Werther effect, nearly threefold risk from exposure to suicidality in one's network) and protective uses (Papageno effect, AI-based risk detection, crisis support) across platforms like Instagram, Reddit, and Facebook.
Social medicine
Social medicine is an approach to health that analyzes how social conditions such as poverty, inequality, and racism shape disease, and seeks to act on those conditions.
Social needs screening
Social needs screening is a health care method that uses standardized questionnaires to identify unmet needs such as food insecurity, housing instability, and transportation problems for referral.
Social neuroscience
Social neuroscience: interdisciplinary field studying neural, hormonal, cellular, and genetic mechanisms of social behavior; term coined early 1990s (Cacioppo and Berntson); distinct from the journal Social Neuroscience (2006).
Social norms approach
The social norms approach is a health promotion method that surveys a population and communicates true majority norms to reduce risky behavior, most commonly student drinking.
Social Responsiveness Scale
The Social Responsiveness Scale (SRS) is a 65-item questionnaire, completed by parents, teachers, or adults, that quantifies social impairment as a continuous trait rather than a categorical autism diagnosis.
Social science & medicine
Social Science & Medicine (Soc Sci Med, ISSN 0277-9536) is Elsevier's interdisciplinary peer-reviewed journal of social science research on health, founded in 1967, merged from six part titles in 1982, publishing 24 issues yearly across seven editorial offices.
Social withdrawal
Social withdrawal is retreat from relationships and social interactions, an ICD-11 symptom code (MB23.Q) and DSM-5 Detachment facet, ranging from shyness to hikikomori, and linked to schizophrenia, depression, and anxiety.
Society for Academic Emergency Medicine
Society for Academic Emergency Medicine (SAEM), founded 1989 by merger of UAEM and STEM, is the US academic emergency medicine society, headquartered in Des Plaines, Illinois, publishing Academic Emergency Medicine and running grants, academies, and the SAEM annual meeting.
Society for Cardiovascular Magnetic Resonance
Society for Cardiovascular Magnetic Resonance (SCMR), international professional society for cardiovascular magnetic resonance imaging; publishes JCMR, training levels I-III, guidelines, annual scientific sessions; headquartered East Dundee, Illinois.
Society for Immunotherapy of Cancer
The Society for Immunotherapy of Cancer (SITC) is a nonprofit medical professional society founded in 1984, headquartered in Milwaukee, Wisconsin, whose mission is improving cancer outcomes through immunotherapy.