There are multiple definitions:
member of a beta-lactamase family and showing a Variable response to Sulfhydryl inhibitors(English)
surgical heart valve(English)
- the narrowest portion is at the level of its sewing ring, which can be identified fluoroscopically and should be used as a reference level during a VIV procedure
- THV, VIV
- Cardiology, Surgery
- https://doi.org….1002/ccd.25586