Home/Equations/IVC distensibility index (dIVC)IVC distensibility index (dIVC)EchoEquationIVC distensibility index (dIVC)dIVC=Dmax−DminDmin×100%dIVC = \dfrac{D_{max} - D_{min}}{D_{min}} \times 100\%dIVC=DminDmax−Dmin×100%ExplainerRespiratory variation in IVC diameter in a fully ventilated patient; higher values predict fluid responsiveness.