velocity ratio(English)
- calculated as peak systolic velocity (PSV) at lesion divided by PSV proximal to the lesion. Criteria: PSV < 180 cm/s, and Vr < 2 at the repair site
- ABI, PSV, CLI
- Ultrasound, Ratio-based metric, Doppler technique
- https://doi.org…jvs.2008.04.053