PORTAL HYPERTENSION The normal hepatic venous pressure gradient is 5–6 mm Hg. https://www.videosprofitnetwork.com/watch.xml?key=a08654b1e8a2c73f8751ccfb26c1c05e Clinically significant portal hypertension is present when the gradient exceeds 10 mm Hg and risk of variceal bleeding increases beyond a gradient of 12 mm Hg. Pre ...