There are multiple definitions:

1. time-averaged mean velocity(English)

   • transvaginal uterine and umbilical artery Doppler examinations can detect development of pre-eclampsia, or the delivery of a small-for-gestational-age baby
   • PPIH, SGA, PE
   • Obstetrics, Ultrasound, Pregnancy, Doppler technique
   • https://doi.org…1997.09020094.x

2. transcatheter aortic valve(English)

   • as this procedure is increasingly used in patients with longer life expectancy, a sizable proportion will require redo TAV replacement
   • TAVR
   • Cardiology, Surgery
   • https://doi.org…cin.2022.05.016

3. tricuspid aortic valve(English)

   • BAV
   • Cardiology

4. total atheroma volume(English)

   • the total absolute amount of atherosclerotic plaque—made up of fat, cholesterol, calcium, and cellular debris—accumulated within a specific artery or the entire coronary tree
   • HIST, CAD, CRP, CTA, EEM, HDL-C, HIST, IVUS, LDL-C, MACE, PAV, PCSK9, VH
   • Atherosclerosis /atherogenic, Coronary circulation, Gender aspects, Clinical chemistry, Medical imaging
   • https://doi.org…adv.2026.103243