25,729 articles
AIDS
AIDS (ISSN 0269-9370) is a monthly peer-reviewed medical journal on HIV and AIDS published by Lippincott Williams & Wilkins in London since 1987, distinct from the disease itself; ranked first in HIV research output with a 2.9 impact factor.
AIDS Serodiagnosis
AIDS serodiagnosis: laboratory and point-of-care diagnosis of HIV infection by antibody or p24 antigen testing, from the 1985 ELISA to fourth-generation Ag/Ab assays, CDC algorithms, and rapid-test sensitivity limits.
AIDS wasting syndrome
AIDS wasting syndrome, also called slim disease or HIV wasting disease, is an AIDS-defining condition of involuntary weight loss over 10 percent with diarrhea or fever, added to CDC surveillance in 1987.
Ailurophobia
Ailurophobia, also called felinophobia or gatophobia, is the persistent fear of cats, classified as DSM-5 specific phobia, animal type. Coined 1905 from Greek ailouros; treated mainly with graded exposure therapy.
Ain Shams University Hospital
Ain Shams University Hospitals, Abbasiya, Cairo: Ain Shams University's teaching hospital network (مستشفيات جامعة عين شمس), founded on Demerdash Hospital (1928); about 775,000 visits, 2,300 beds, 739,048 patients and 7.46 million lab tests in FY2025/2026, now being redeveloped as Ain Shams Medical City.
Ainuovirine
Ainuovirine (ANV, 艾诺韦林; development code ACC007) is a non-nucleoside reverse transcriptase inhibitor developed by Jiangsu Aidea Pharmaceutical that blocks HIV replication, approved in China in 2021 for HIV-1.
Ainuovirine/lamivudine/tenofovir disoproxil fumarate
Ainuovirine/lamivudine/tenofovir disoproxil fumarate (艾诺米替片, Fubangde, ACC008) is a Chinese three-drug single-tablet HIV-1 regimen by Jiangsu Aidea, NMPA-approved late 2022, guideline-listed 2024, noninferior to INSTI regimens in switch therapy.
Air embolism
Air embolism (gas embolism): air bubbles entering veins or arteries, blocking blood flow. Venous form reaches the lungs; arterial form causes stroke or cardiac ischemia. Mainly procedure-related (central lines, surgery, diving); treated with oxygen, positioning, hyperbaric therapy.
Air Force Medical University
Air Force Medical University (空军军医大学, Fourth Military Medical University) is a PLA Air Force medical university in Xi'an, China, founded in 1941, a Double First-Class and former 211 Project institution with Xijing and Tangdu hospitals.
AIR HPSD study
AIR HPSD Registry: 26-center European prospective registry of 982 first-time AF pulmonary vein isolations using QDOT Micro 90 W/4 s very high-power short-duration ablation, reporting 1.8% complications and 88-90% freedom from AF/AT recurrence.
Air pollution in India
Air pollution in India: ambient and household air contamination, the country's leading death risk factor with over 2 million deaths in 2023, PM2.5 exposure of 54.1 µg/m³, and the National Clean Air Programme launched in 2019.
AIR PRESSURE trial
AIR PRESSURE trial (NCT04908917), Reducing AIR Pollution Exposure to Lower Blood PRESSURE: Wayne State University randomized double-blind sham-controlled trial of 200 Detroit adults with mild hypertension, testing 21 days of bedroom HEPA portable air cleaner use versus sham for lowering home blood pressure.
Air sampling
Air sampling is the collection of airborne particles, gases, or bioaerosols onto filters or into liquid media, so exposure concentrations can be measured against health-based limits.
AIR-CPR study
AIR-CPR study (NCT07431710): a three-year prospective observational trial at Far Eastern Memorial Hospital, Taiwan, validating a YOLO v8 AI app that reads femoral arterial waveforms to detect aortic valve compression and guide personalized chest compression repositioning during OHCA resuscitation.
Airway infantile hemangioma
Airway infantile hemangioma, also called subglottic hemangioma, is a benign vascular tumor of the infant respiratory tract causing croup-like stridor; oral propranolol at 2–3 mg/kg/day achieves about 96% airway clearance.
Airway Management
Airway management is the medical practice of assessing and using procedures and devices to maintain or restore a patient's ventilation, a core skill in anesthesiology, emergency medicine, and intensive care.
Airway Resistance
Airway resistance is the opposition to airflow caused by frictional forces in the airways of the lung; it depends chiefly on airway radius and is measured by body plethysmography, introduced in 1956.
Ajamodadi Curna
Ajamodadi cūrṇa (Ajamodadi Churna), classical 12-ingredient Ayurvedic powder from Sharangadhara Samhita, AFI entry 7:1; dose 3-6 g with warm water; used for pain, sciatica, rheumatoid arthritis, edema.
Ajamodarka
Ajamodarka (अजमोदार्क), an Ayurvedic arka distillate of Ajamoda (Apium leptophyllum) fruit from Arkaprakasa Sataka 3:7, dosed 12–24 ml for indigestion and diminished appetite.
Ajmaline
Ajmaline is a class 1A antiarrhythmic alkaloid from the roots of Rauvolfia serpentina, used in Europe and Japan to treat and diagnose abnormal heart rhythms.
AK3280
AK3280 is an oral antifibrotic drug candidate by Shanghai Ark Biopharmaceutical for idiopathic pulmonary fibrosis, derived from pirfenidone, with positive Phase 2 results in 2025.
Akathisia
Akathisia: drug-induced movement disorder with inner restlessness and compulsive movement, mainly from antipsychotics; assessed with the Barnes Akathisia Rating Scale; treated with mirtazapine, propranolol, biperiden, or vitamin B6.
AKI trial (NCT03897335)
The AKI trial (NCT03897335) is a phase 3 clinical trial at Le Bonheur Children's Hospital testing whether aminophylline prevents acute kidney injury in children after open heart surgery.
Akika bhasma
Akika bhasma (अकीक भस्म), also Akik bhasma, is an Ayurvedic calcined agate (silica) preparation in the Ayurvedic Formulary of India, dosed 125–500 mg for heartburn, heart disease, cough, and bleeding disorders, distinct from metallic bhasmas.
Akika Pisti
Akika Pisti (Akīka piṣṭī, Akik Pishti) is an Ayurvedic pishti preparation of purified agate with Aloe vera and other herbs, dosed 125-250 mg per the Ayurvedic Formulary of India, used traditionally for heart, pitta, and bleeding disorders.
Akin osteotomy
The Akin osteotomy is a closing wedge osteotomy of the big toe's proximal phalanx, described by O.F. Akin in 1925, used to correct hallux valgus.
AKRT SULAVINASINI VATIKA
AKRT SULAVINASINI VATIKA (Yakṛt śūlavināśinī vaṭikā) is a classical Ayurvedic liver-pill formula from Bhaiṣajyaratnāvalī, listed in the Ayurvedic Formulary of India (750 mg dose) for liver disease and ascites.
Akuba
Akuba (AKUBA, AK 778; CVCL_W933) is a human B-cell cancer cell line from EBV-related Burkitt lymphoma of Kenyan origin, EBV-transformed, with a MYC-IGL fusion (t(8;22)), heterozygous TP53 p.Arg248Gln, 21-hour doubling time, and type II EBV latency.
AL amyloidosis
AL amyloidosis (amyloid light-chain, primary amyloidosis) is a clonal plasma cell disorder where misfolded immunoglobulin light chains deposit as amyloid fibrils, damaging heart and kidneys; treated with Dara-CyBorD, about 10 cases per million yearly.
Al-Anon/Alateen
Al-Anon/Alateen (Al-Anon Family Groups) is a Twelve-Step mutual support fellowship founded in 1951 by Lois W. for people affected by someone else's drinking, with Alateen (1957) for teens; 22,452 groups in 135 countries as of 2026.