There are multiple definitions:
American College of Radiology(English)
- founded in 1923, the College is at the forefront of radiology evolution, representing nearly 40,000 radiologists, radiation oncologists, nuclear medicine physicians and medical physicists
- DICOM, RRL
- Radiology, Organizations (documentation)
- https://www.acr.org/
American College of Rheumatology(English)
- a professional membership organization committed to improving the care of patients with rheumatic disease and advancing the rheumatology subspecialty. Founded in 1934, we are a not-for-profit, global medical society that serves over 7,700 physicians, health professionals, and scientists worldwide
- RA
- Rheumatology, Organizations (documentation)
- https://www.rheumatology.org/
albumin/creatinine ratio(English)
- aka urine microalbumin; helps identify kidney disease that can occur as a complication of diabetes. Also associated with the risk of all-cause and CV death in a linear fashion without threshold effect
- CPR, UAE, RLD, Tbil
- Kidney and adrenals, Diabetes, Ratio-based metric, Cardiology
- https://doi.org…9149(03)00736-7
- https://doi.org…125-022-05661-1
- https://doi.org…093/cvr/cvad083
- https://doi.org…000000000001209
acute cellular rejection(English)
- a common and serious complication of transplantation with substantial morbidity and mortality. A T-cell mediated inflammatory response characterized by macrophage and lymphocyte infiltrates, edema, and ultimately myocyte necrosis
- AMR, ISHLT, CPI
- Transplantation, Prognosis
- https://doi.org…016/j.jcmg.2018
- https://doi.org…LURE.121.008859
- https://doi.org…1111/echo.14586
acceptor control ratio(English)
- used to evaluate the coupling of respiration to phosphorylation, and defined as Vmax/V0 where Vmax is V(ADP, 1 mM)+V0
- Mitochondrion, Ratio-based metric
- https://doi.org…iol.2005.083030
area change ratio(English)
- systolic to diastolic fractional alteration of luminal cross-sectional area of a blood vessel, or for a cardiac compartment where it can be calculated for three inlet, two apical, and two outflow tract segments of the (right) ventricle
- VG, VGD, FAC, RVEDAI, RVEF, RVESAI, RVIT, STE, TAPSE
- Vessel properties, Surgery, Ratio-based metric, Cardiology, Medical imaging, Echography/ultrasound, Artificial intelligence
- https://doi.org…JAHA.120.016391
- https://doi.org…574-025-00707-w
anterior corona radiata(Latin)
annual change rate(English)
anatomic complete revascularization(English)
- associated with reduced death and myocardial infarction
- FCR, MI
- Anatomy, Cardiology, Surgery
- https://doi.org…acc.2023.06.015
abnormal circadian rhythm(English)