1,953 articles
Quarantine
Quarantine (quaranta giorni, forty days) separates exposed but not-yet-ill people to prevent disease spread; first formalized in Ragusa 1377 and Venice 1348, with lazarettos from 1423, distinct from isolation of the sick.
Queen Mary Hospital
Queen Mary Hospital (瑪麗醫院), Hong Kong public acute regional hospital at Pok Fu Lam, opened 1937, HKU teaching hospital, designated liver transplant centre since 2003, only multi-organ transplant hospital, undergoing HK$13.5 billion redevelopment.
Queensland Health
Queensland Health is Queensland's public health system: the Department of Health plus 16 Hospital and Health Services under the Hospital and Health Boards Act 2011, with a $33.1 billion 2025-26 budget, 119,438 FTE staff, and the $18.53 billion Hospital Rescue Plan.
Quitline
A quitline is a free, confidential telephone service that helps tobacco users quit through counseling by trained staff, often combined with free nicotine replacement therapy.
Rachel Levine
Rachel Levine, American pediatrician and public health official; Pennsylvania physician general (2015) and health secretary (2017), then HHS assistant secretary for health (2021), first openly transgender federal official confirmed by the Senate and first female four-star admiral of the USPHS Commissioned Corps.
Radboud University Medical Center
Radboudumc (Radboud University Medical Center, formerly Sint Radboud Ziekenhuis and UMC St Radboud) is the university medical center of Nijmegen, Netherlands; founded 1956, legally separate from Radboud University since 2021, with 11 care centers, 41 departments, and about 12,700 employees.
Rajshahi Medical College
Rajshahi Medical College (রাজশাহী মেডিকেল কলেজ), a government medical school in Rajshahi, Bangladesh, established 1958; affiliated with Rajshahi University; 200 MBBS and 50 BDS seats; runs Rajshahi Medical College Hospital.
Ralph W. Muller
Ralph W. Muller is an American health-system executive who served as chief executive of the University of Chicago Hospitals and the University of Pennsylvania Health System from 2003 to 2019.
Ramathibodi Hospital
Ramathibodi Hospital (โรงพยาบาลรามาธิบดี), Bangkok, is the public university teaching hospital of Mahidol University's Faculty of Medicine, Thailand's fourth medical school, founded 1964-1969, with about 1,073 beds and a new Yothi Medical Innovation District under construction.
Rampton Secure Hospital
Rampton Hospital, near Retford, Nottinghamshire, is one of England's three high secure psychiatric hospitals with Ashworth and Broadmoor. Opened 1912 as a criminal lunatic asylum, run by Nottinghamshire Healthcare NHS Foundation Trust, about 350 patients, average stay five years.
Randomization (clinical trials)
Randomization, also called simple or complete randomization, is the procedure in clinical trials that assigns participants to treatment groups by chance, preventing selection bias in enrollment.
Randomized trial
A randomized trial is an experimental study in which chance assigns participants to interventions, making groups comparable; the randomized controlled trial is the standard form used in clinical research.
RaPPID trial
RaPPID trial (NCT03719170), a VA cluster-randomized pragmatic trial evaluating a national proton pump inhibitor de-prescribing program across 17 Veterans Integrated Service Networks, 9 intervention versus 8 control, with 12-month PPI prescribing as the primary outcome.
Rashid Buttar
Rashid Buttar (1966-2023) was an American osteopathic physician from North Carolina, Center for Advanced Medicine founder, chelation promoter, twice reprimanded by the NC Medical Board, and a CCDH 'Disinformation Dozen' member known for COVID-19 and anti-vaccine misinformation.
RCT trial (NCT00690326)
NCT00690326, a randomized triple-blind trial at Thiruvananthapuram Medical College, Kerala, tested a behavioral change communication model for physical activity in 86 women with type 2 diabetes; activity rose (p=0.007), HbA1c unchanged.
RCT trial (NCT04894344)
NCT04894344, a randomized controlled trial by Universidad Autonoma de Baja California in Tijuana, Mexico, testing a 4-week educational newsletter intervention to reduce sodium intake in university students aged 18-40, measured by 24-hour urinary sodium excretion and blood pressure.
ReabFalls trial
ReabFalls (NCT06175871) is a completed interventional trial by UQAC and CIUSSS Saguenay-Lac-Saint-Jean testing the Otago exercise program for fall prevention in older adults with neuromusculoskeletal disorders at La Baie Hospital, Quebec.
REACS study
REACS (NCT02415452), a Chinese retrospective cohort study by Capital Medical University, tested whether retinal artery lesion staging predicts MACCE and mortality in 660 acute coronary syndrome patients after drug-eluting stent implantation; Stage ≥2 lesions independently predicted adverse events.
Reading Hospital
Reading Hospital (Reading Hospital and Medical Center) is a 697-bed nonprofit acute care hospital in West Reading, Pennsylvania, flagship of Tower Health. Founded 1867-1868 as the Reading Dispensary; Level I trauma center since 2005, Level III NICU, Drexel-affiliated teaching hospital.
RECORDII trial
RECORDII, a randomized multicenter trial led by Josep Rodés-Cabau at University Laval, tests whether routine 14-day ambulatory ECG monitoring after TAVI lowers sudden death, arrhythmic events, and stroke.
RED-FLAG 2 study
RED-FLAG 2 (NCT05820217) is a French prospective observational study led by University Hospital, Angers, externally validating the pre-hospital Red Flag alert for severe haemorrhage in blunt trauma across six SAMU centers, 630 participants.
Reed V. Tuckson
Reed V. Tuckson is an American physician and public health leader who served as D.C. health commissioner, president of Charles R. Drew University, and a UnitedHealth Group executive.
Regina S. Cunningham
Regina S. Cunningham is an American nurse scientist and executive who has led the Hospital of the University of Pennsylvania since 2017 and was elected to the National Academy of Medicine in 2022.
Regional Health Planning
Regional health planning: coordinated planning of health resources at a regional or multi-state level (MeSH D012040, 1977). Central to US health policy 1950s-1980s via Hill-Burton, CHP, NHPRDA, and CON review; ended in failure, survives in regional health authorities abroad.
REGISTRY study
REGISTRY was a multi-national European observational study of Huntington's disease run by the European Huntington's Disease Network from 2004 to 2017, with annual assessments of thousands of participants.
Rehabilitation Centers
Rehabilitation centers (MeSH D012047) are health facilities providing programs for rehabilitating mentally or physically disabled people, offering medical, psychosocial, and vocational services in inpatient and outpatient hospital and community settings worldwide.
RehaMS trial
RehaMS (NCT04294979) is a completed single-group Italian trial at IRCCS San Raffaele Roma testing a 6-week intensive exercise program in MS (EDSS 4.5-6.5), measuring EDSS, MSFC, immune markers, vagal HRV, and TMS synaptic measures.
Relative risk
Relative risk (risk ratio, RR): ratio of event probability in an exposed group to that in an unexposed group; RR=1 means no association. Used in cohort studies and trials; case-control studies use odds ratios instead.
REMAP-CAP trial
REMAP-CAP (Randomized, Embedded, Multifactorial, Adaptive Platform trial for Community-Acquired Pneumonia), NCT02735707, is a global adaptive platform trial launched in 2016 after the 2009 H1N1 pandemic, testing multiple pneumonia, COVID-19, and influenza treatments via Bayesian response-adaptive randomization.
REPRIEVE trial
REPRIEVE (Randomized Trial to Prevent Vascular Events in HIV, NCT02344290) is a phase 3 NIH-funded trial of 7,769 people with HIV showing pitavastatin 4 mg daily reduced major adverse cardiovascular events by 35% versus placebo, driving 2024 statin guidelines.