ABSTRACT
Normal portal vein (PV) diameter—9–13 millimeters
Normal PV length—6–8 centimeters (splenic vein [SV] + superior mesenteric vein [SMV]) at L1, L2 level
Normal PV pressure—6–10 millimeters of mercury (mm Hg)
Normal PV velocity—12–18 centimeters per second
Normal PV blood flow—500–800 milliliters per minute
Normal flow is Hepatopetal (Figure 34.1)
PV transports blood from GIT to the liver
