Normal poal vein pressure is
Poal veins carries approximately 75% of blood supply to the liver, formed by the junction of the superior mesenteric and splenic veins behind neck of pancreas&;s Normal poal vein pressure is 5-10mmHg if there is sustained elevation in the poal venous pressure more than 10mmHg. Reference SRB edition :5 page:614
< 3 mm Hg
3-5 mm Hg
5-10 mm Hg
10 to 12 mm of Hg
G.I.T