Figure 3
From: Venous hemodynamics in neurological disorders: an analytical review with hydrodynamic analysis
Effect of stenosis on a vein. Q1, blood-flow rate through normal vein; Q2, blood-flow rate through stenotic vein; R1, hydraulic resistance of normal vein; R2, hydraulic resistance of stenotic vein; ΔP1, pressure drop through normal vein; and ΔP2, pressure drop through stenotic vein.