25,729 articles
Wells score
Wells score: clinical prediction rule estimating pretest probability of deep vein thrombosis and pulmonary embolism, also called Wells criteria; point-based DVT and PE versions guide D-dimer testing versus imaging in NICE and AHA/ACC pathways.
Wells syndrome
Wells syndrome, or eosinophilic cellulitis, a rare inflammatory dermatosis first described by George Wells in 1971, with recurrent erythematous plaques, dermal eosinophils, flame figures, steroid-responsive course, and emerging biologic treatments.
Wenbing Tiaobian
Wenbing Tiaobian, "Systematic Differentiation of Warm Diseases," is a treatise by Qing physician Wu Tang, drafted in 1798, that established the triple-burner framework of warm-disease diagnosis.
WENBIT trial
WENBIT (Western Norway B Vitamin Intervention Trial), NCT00354081, a Norwegian randomized double-blind placebo-controlled 2x2 factorial trial of folic acid 0.8 mg, B12 0.4 mg, B6 40 mg in 3090 post-angiography CAD patients; no reduction in death, MI, unstable angina hospitalization, or stroke.
Wenis
Wenis (weenis, weenus, wenus) is 1990s-era English slang for the loose skin on the outside of the elbow, a schoolyard joke word echoing penis; it has no official medical name, unlike the olecranal skin it describes.
Wenpi Decoction
温脾汤 (Wenpi decoction, Spleen-Warming Decoction), a classic Chinese medicine purgative formula from the Beiji Qianjin Yaofang, composed of rhubarb, ginseng, licorice, dried ginger, and aconite, used for cold accumulation with spleen yang deficiency.
Werner Hoeger
Werner W. K. Hoeger (Werner Walter Karl Hoeger, born 1953, Mérida, Venezuela) is a Boise State kinesiology professor emeritus, fitness textbook author, and Venezuelan Olympic luger, 40th in 2002 and 32nd in 2006.
Wernicke encephalopathy
Wernicke encephalopathy (WE), part of Wernicke-Korsakoff syndrome, is an acute neuropsychiatric emergency from thiamine (vitamin B1) deficiency, mainly in alcohol misuse, bariatric surgery, and malnutrition; treated with IV thiamine.
Wernicke–Korsakoff syndrome
Wernicke–Korsakoff syndrome, also known as wet brain, is a brain condition caused by vitamin B1 deficiency, usually from alcohol misuse, combining acute confusion and chronic memory loss.
Wernicke's area
Wernicke's area (Brodmann area 22), posterior superior temporal gyrus of the dominant hemisphere, described by Carl Wernicke in 1874; traditionally the language comprehension center, now reinterpreted as supporting phonological retrieval.
West China Hospital of Sichuan University
West China Hospital of Sichuan University (四川大学华西医院, Huaxi Hospital), founded 1892 in Chengdu, is a 4,900-bed public teaching hospital with 43 national key clinical specialties, ranked second in Fudan's national hospital rankings.
West Nile fever
West Nile fever, the febrile illness from West Nile virus (WNV), a mosquito-borne flavivirus; 80% asymptomatic, under 1% neuroinvasive, no human vaccine; first isolated Uganda 1937, spread to Americas in 1999.
West Nile virus in the United States
West Nile virus in the United States is the endemic transmission of a mosquito-borne virus first detected in New York City in 1999, the leading cause of domestically acquired mosquito-borne disease.
Western African Ebola epidemic
Western African Ebola epidemic (2014–2016), the largest Ebola outbreak on record, began in Meliandou, Guinea in December 2013, spread to Liberia and Sierra Leone and seven other countries, causing over 28,600 cases and 11,325 deaths before ending in June 2016.
Western Diet
The Western diet, also called the meat-sweet diet, is a eating pattern high in meat, sugar, refined grains, and fat, typical of North America and Western Europe.
Western equine encephalitis
Western equine encephalitis is a mosquito-borne viral disease of the Americas causing brain inflammation in humans and horses; after decades of decline it reemerged in Argentina and Uruguay in 2023.
WestVac recombinant trivalent COVID-19 vaccine (XBB.1.5/BA.5/Delta)
The WestVac recombinant trivalent COVID-19 vaccine (XBB.1.5/BA.5/Delta), sold as Coviccine Trivalent XBB, is a protein subunit vaccine by Chengdu WestVac Biopharma authorized in China in June 2023.
Wet beriberi
Wet beriberi (湿性脚気, ICD-11 5B5A.01) is the cardiovascular form of beriberi caused by thiamine (vitamin B1) deficiency, presenting as high-output heart failure with vasodilation and edema; Shoshin beriberi is its fulminant cardiogenic-shock form, and thiamine 100–300 mg daily is treatment.
Wet nurse
Wet nurse: a woman who breastfeeds another woman's child, also called wet-nursing or cross-feeding. Documented from the Ebers Papyrus (c. 1550 BC) and Code of Hammurabi to the 1920s; replaced by formula and donor milk banks.
Wet wrap therapy
Wet wrap therapy is a dermatological treatment in which moist inner and dry outer layers are wrapped over medicated skin, mainly for severe atopic dermatitis.
WH-PACT trial
WH-PACT (NCT02039856, VA CRE 12-026) was a 12-site cluster randomized trial led by Elizabeth Yano testing evidence-based quality improvement to tailor VA's PACT medical home model to women Veterans; it improved team functioning and burnout but showed no patient-level differences.
WH007
WH007 is a Category 2.3 improved new drug of mulberry twig total alkaloids (桑枝总生物碱, SZ-A/Sangbo'en) for polycystic ovary syndrome, developed by Beijing Wehand-Bio with CAMS; NMPA IND approved December 2025, Phase II trial CTR20260897 (240 participants) started 2026.
Wheelchair
Wheelchair: wheeled mobility and seating device for people who have difficulty walking; manual, powered, power-assist, and smart types; WHO 2023 provision guidelines, ISO 7176 standards, skills training evidence.
Wheeze
A wheeze, also called wheezing or sibilant rhonchi, is a high-pitched, continuous whistling breathing sound produced when air moves through narrowed small airways, most often caused by asthma or COPD.
Whey protein
Whey protein, the soluble ~20% fraction of milk protein left after casein coagulation in cheesemaking, sold as concentrate (WPC), isolate (WPI), and hydrolysate (WPH); high leucine, PDCAAS 1.14, widely used in sports nutrition.
WHIM syndrome
WHIM syndrome (warts, hypogammaglobulinemia, infections, myelokathexis), also called Zuelzer-Krill syndrome, is a rare autosomal dominant immunodeficiency from CXCR4 gain-of-function mutations; first drug mavorixafor (Xolremdi) FDA-approved 2024.
WHIMS-ECHO study
WHIMS-ECHO (Women's Health Initiative Memory Study–Epidemiology of Cognitive Health Outcomes) is a longitudinal cohort study, begun September 2008, following older WHI hormone therapy trial participants with annual telephone cognitive assessments through 2021; distinct from Project ECHO tele-education.
Whiplash (medicine)
Whiplash, or whiplash-associated disorder (WAD), is a neck injury from sudden acceleration-deceleration of the head, usually in car crashes; graded 0 to IV by the Quebec Task Force, mostly self-limiting, treated mainly with exercise.
Whipple's disease
Whipple's disease, or intestinal lipodystrophy, is a rare systemic infection caused by Tropheryma whipplei, first described by George Whipple in 1907; it causes weight loss, diarrhea, arthritis, and malabsorption, diagnosed by PAS staining and PCR, and treated with prolonged antibiotics.
White blood cell differential
White blood cell differential (WBC diff, differential leukocyte count): lab test classifying neutrophils, lymphocytes, monocytes, eosinophils, and basophils by percentage and absolute count, done manually on stained smears or by automated hematology analyzers with flag-based smear review.