There are multiple definitions:
viscous fluid injection(English)
venous filling index(English)
- a key non-invasive hemodynamic parameter measured using Air Plethysmography to assess the severity of venous reflux in the lower extremities. It measures the average rate at which blood fills the calf veins while a patient is standing. Also denoted as venous filling rate
- APG, CEAP, CMP, CVI, EF, PAD, PDR, T90, VFR
- Vascular disease, Diagnostics
- https://doi.org…ocp.2023.08.013