There are multiple definitions:

1. Panton-Valentine leukocidin(English)

   • MRSA, MSSA, SCC
   • Microbiology, Tropical medicine
   • https://doi.org…9/ajtmh.24-0452

2. periventricular leukomalacia(English)

   • is characterized by the death of the brain's white matter due to softening of the brain tissue. The disorder is caused by a lack of oxygen or blood flow to the periventricular area of the brain, where nerve fibers carry messages from the brain to the body's muscles. It can affect fetuses or newborns, although premature babies are at greatest risk
   • IVH, NDI, NIRS
   • Embryology /reproduction, Pregnancy, Brain (dys)function, Neonatology, Oxygen
   • https://doi.org…dev.2025.106286
   • https://doi.org…431-025-06138-0

3. pressure-volume loop(English)

   • Ees, EDV, ESV, ESPVR, PVA, SV, SW, VAC, V0, PSL, DPVQ, EEV, HR, LV, MEP, MVO2
   • Cardiology, Physiology, Bioengineering
   • https://doi.org…dvan.00140.2017
   • https://doi.org…0392-015-0863-y
   • https://doi.org…GING.118.008493
   • https://www.osm…re-volume_loops

4. paravalvular leak(age)(English)

   • has been the Achilles’ heel of transcatheter aortic valve replacement, especially with self-expandable valves
   • PPI, TAVI, AVR, DCR, MVR, PPM, AKI, CFS, LVEDD, LVEDV, LVH, MI, SVI, TAVR
   • Cardiology, Pathology
   • https://doi.org…cmg.2017.05.002
   • https://doi.org…cvs.2009.07.039
   • https://doi.org…JAHA.120.019543

5. portal vein ligation(English)

   • ALPPS, EBL, PVE, mALPPS
   • Liver disease, Oncology, Surgery
   • https://doi.org…onc.2020.01.010