Portal hypertension
Abnormally increased portal venous pressure
Portal hypertension is defined as increased portal venous pressure, with a hepatic venous pressure gradient greater than 5 mmHg. Normal portal pressure is 1โ4 mmHg; clinically insignificant portal hypertension is present at portal pressures 5โ9 mmHg; clinically significant portal hypertension is present at portal pressures greater than 10 mmHg....