Etiologies-ascites
Portal HTN Related (SAAG ≥1.1)
Presinusoidal obstruction portal or splenic vein thrombosis, schisto- somiasis, sarcoidosis
Sinusoidal obstruction: cirrhosis, acute hepatitis (including EtOH), malignancy (HCC or mets)
Postsinusoidal obstruction right-sided CHF (ex: constriction, TR), Budd-Chiari syndrome, SOS
Non–portal HTN Related (SAAG <1.1)
Malig: peritoneal carcinomatosis; chylous ascites from malignant lymphoma (↑ TG); Meigs’ syndrome (ovarian tumor)
Infection: TB, chlamydia/gonorrhea (ie, Fitz-Hugh-Curtis syndrome)
Inflam: pancreatitis, ruptured pancreatic/biliary/lymph duct; bowel obstrxn, serositis (SLE)
Hypoalbuminemic states: nephrotic syndrome, protein-losing enteropathy