There are multiple definitions:
vascular stiffness index(English)
- can be computed from pulse waveform analysis
- ASI, PWA, AIx
- Hemodynamics, Vessel properties
- https://doi.org…EC.2015.7117181
video self-instruction(English)
- produces retention performance at least as good as that seen with traditional training, and improves bystander CPR outcomes after out of hospital cardiac arrest
- CPR
- Education, Emergency medicine
- https://doi.org…ion.2007.01.030