Fig. 6From: Validation of new marker of fluid responsiveness based on Doppler assessment of blood flow velocity in superior vena cava in mechanically ventilated pigsBland–Altman plots on agreement measures between VRV and PPV. It shows the biggest difference between VRV and PPV around the VRV cutoff point for fluid responsiveness. VRV venous return variation index, PPV pulse pressure variationsBack to article page