There are multiple definitions:

1. persistent vegetative state(English)

   • =cognitive death
   • Coma, Cognitive function, Ethics

2. plasma volume status(English)

   • estimated using a validated formula that enumerates percentage change from ideal PV, and would provide prognostic utility post-TAVI
   • TAVI
   • Cardiology
   • https://doi.org…hrt-2020-001477

3. portal venous system(English)

   • drains blood from the gastrointestinal tract (apart from the lower section of rectum), spleen, pancreas, and gallbladder to the liver
   • PV
   • Gastroenterology, Hemodynamics, Liver disease
   • https://doi.org…3244-019-0716-8

4. perivascular space(English)

   • een on structural brain MRI, are important fluid drainage conduits and are associated with small vessel disease (SVD); aka Virchow-Robin space
   • VICCCS, WMH, MRI, SVD, AD, ADL, CAA, DLB, IADL, VCI
   • Brain (dys)function, Medical imaging
   • https://doi.org…icl.2019.102120
   • https://doi.org…000000000000913

5. portal vein stent(English)

   • ALBI, DCR, HCC, PVTT, TACE, TACE-S
   • Liver disease, Oncology
   • https://doi.org…jcb.2021.112118

6. pubovaginal sling(English)

   • DUPS, FDA, ISD, MUS, POP, SIS, SUI, TFS, RMUS, TOT
   • Gynecology, Therapeutic approaches
   • https://doi.org…aju.2013.04.005

7. programmed ventricular stimulation(English)

   • ARVC, VA, VT, CMR, GLS, ICD, LVEF, MAD, MR, MVP, BB, LGE, NSVT, PVC
   • Cardiology, Electrophysiology, Therapeutic approaches
   • https://doi.org…NAHA.122.060866
   • https://doi.org…cmg.2024.03.006
   • https://doi.org…thm.2024.05.049

8. pulmonary vein stenosis(English)

   • may occur after catheter ablation performed to counter atrial fibrillation
   • AF, PV, PVA, PVI, PVN
   • Vascular disease, Adverse effect, Electrophysiology
   • https://doi.org…ircj.CJ-23-0048