Portal Hypertension

**Semantic type:** Disease or Syndrome

**Definition:** Increased blood pressure in the portal venous system. It is most commonly caused by cirrhosis. Other causes include portal vein thrombosis, Budd-Chiari syndrome, and right heart failure. Complications include ascites, esophageal varices, encephalopathy, and splenomegaly.

**Synonyms:** - Portal hypertension - Portal hypertension - portal hypertension